Cross reference · MS (US military standards) · Machine screw
MS51957 cross referenceFFS92
MS51957 is a machine screw series on 329 government stock numbers. Its closest equivalents are FFS92. Each one is labeled with how strong the evidence is.
- Issued by MS
- Item Machine screw
- Stock numbers 329
- Equivalents 31
- DLA paid $0.00 to $42.63
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- NKS51957Long-LokCatalog only, needs approvalon 3 of 329 stock numbers, 3 sizes
- SK2015SPS TechnologiesCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
5 more on one stock number each: AIC812, E516, FS2002, PH300, PH399
- AIC812SPS TechnologiesCatalog only, needs approvalon 1 of 329 stock numbers
- E516HuckCatalog only, needs approvalon 1 of 329 stock numbers
- FS2002Fastener Innovation TechnologyCatalog only, needs approvalon 1 of 329 stock numbers
- PH300Textron Fastening SystemsCatalog only, needs approvalon 1 of 329 stock numbers
- PH399Howmet Fastening SystemsCatalog only, needs approvalon 1 of 329 stock numbers
Standards
- FFS92Federal specificationsCatalog only, needs approvalon 138 of 329 stock numbers, 2 sizes
- AN515CANCatalog only, needs approvalon 28 of 329 stock numbers, 28 sizes
- NAS1635NASCatalog only, needs approvalon 3 of 329 stock numbers, 3 sizes
- AN515C2RANCatalog only, needs approvalon 3 of 329 stock numbers, 3 sizes
- AN515C8RANCatalog only, needs approvalon 3 of 329 stock numbers, 3 sizes
- AN515ANCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
- AN515C416RANCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
- AN515C4RANCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
- AN515C6RANCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
- AN526CANCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
- FFS92BFederal specificationsCatalog only, needs approvalon 2 of 329 stock numbers
1 more on one stock number each: AN520C
- AN520CANCatalog only, needs approvalon 1 of 329 stock numbers
Airframer and OEM drawings
- VA97LeonardoCatalog only, needs approvalon 23 of 329 stock numbers, 25 sizes
- 128C604DENorthrop GrummanCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
- 207MR026PRTXCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
- 7581384PLockheed MartinCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
- N54PGECatalog only, needs approvalon 2 of 329 stock numbers, 3 sizes
- SMB618257General DynamicsCatalog only, needs approvalon 2 of 329 stock numbers, 2 sizes
6 more on one stock number each: 1092676P, 1093446P, 1213E3503FIND, 1217B, 151440PC, 1611013P
- 1092676PBAE SystemsCatalog only, needs approvalon 1 of 329 stock numbers
- 1093446PBAE SystemsCatalog only, needs approvalon 1 of 329 stock numbers
- 1213E3503FINDLockheed MartinCatalog only, needs approvalon 1 of 329 stock numbers
- 1217BLockheed MartinCatalog only, needs approvalon 1 of 329 stock numbers
- 151440PCUS NavyCatalog only, needs approvalon 1 of 329 stock numbers
- 1611013PBAE SystemsCatalog only, needs approvalon 1 of 329 stock numbers
Plus 658 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MS51957
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MS51957. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 82 of 329 stock numbers, 339 awards from 2023-01-04 to 2026-09-11.
Latest award per stock number: $0.00 to $42.63 each.
DLA production lead time: 10 to 468 days.
Per size in the table below.
DLA prices at DLA quantities, not a quote.Source
DLA award prices at DLA quantities and terms, not a commercial quote. Each award may bundle packaging, delivery and inspection terms that a commercial buy does not. Vendors are shown by CAGE code only.
Source: DLA FOIA Electronic Reading Room ↗, public FOIA releases. Files: 2023ContHist.zip/2023ContractHistory.txt, 2024ContHist.zip/2024ContractHistory.txt, contracthist2025.zip/contracthist2025.txt, 2026-09-16-1038_contracthist.zip/2026-09-16-1038_contracthist.txt.
Sizes by maker
| NSN | MS51957 | FFS92 | Last DLA price |
|---|---|---|---|
| 5305-00-054-5635 | MS51957-1 | $1.00 2025-01 | |
| 5305-00-054-5636 | MS51957-2 | FF-S-92 | $0.0200 2026-08 |
| 5305-00-054-5637 | MS51957-03 | FF-S-92 | $1.00 2025-01 |
| 5305-00-054-5638 | MS51957-04 | $1.00 2025-02 | |
| 5305-00-054-5639 | MS51957-5 | ||
| 5305-01-609-3358 | MS51957-5 | ||
| 5305-00-054-5640 | MS51957-6 | ||
| 5305-01-378-7610 | MS51957-007 | ||
| 5305-00-054-5641 | MS51957-7 | $0.0300 2025-02 | |
| 5305-00-276-1438 | MS51957-7 | ||
| 5305-00-054-5642 | MS51957-8 | ||
| 5305-01-670-3451 | MS51957-8 | ||
| 5305-00-054-5643 | MS51957-9 | ||
| 5305-00-054-5645 | MS51957-10 | ||
| 5305-00-054-5644 | MS51957-11 |
Show 45 more sizes
| NSN | MS51957 | FFS92 | Last DLA price |
|---|---|---|---|
| 5305-01-628-9455 | MS51957-012 | ||
| 5305-00-054-5646 | MS51957-12 | $0.0600 2024-12 | |
| 5305-00-054-5647 | MS51957-13 | ||
| 5305-00-054-5648 | MS51957-14 | $0.0300 2025-12 | |
| 5305-01-410-9858 | MS51957-14 | ||
| 5305-00-054-5650 | MS51957-16 | $0.00 2025-05 | |
| 5305-00-054-5651 | MS51957-17 | $0.0300 2025-03 | |
| 5305-00-054-5652 | MS51957-18 | FFS92 | |
| 5305-00-054-5653 | MS51957-19 | FFS92 | |
| 5305-00-054-5654 | MS51957-20 | FFS92 | |
| 5305-00-054-5655 | MS51957-21 | FFS92 | |
| 5305-00-054-5656 | MS51957-22 | ||
| 5305-00-936-7955 | MS51957-22 | FFS92 | |
| 5305-00-054-5657 | MS51957-23 | FFS92 | |
| 5305-00-054-6648 | MS51957-24 | ||
| 5305-00-054-6649 | MS51957-25 | FF-S-92 | |
| 5305-01-205-3415 | MS51957-25 | $0.13 2026-03 | |
| 5305-00-054-6650 | MS51957-26 | FFS92 | |
| 5305-01-551-4436 | MS51957-26 | ||
| 5305-00-054-6651 | MS51957-27 | $0.0400 2025-03 | |
| 5305-00-054-6652 | MS51957-28 | $0.0300 2025-01 | |
| 5305-00-054-6653 | MS51957-29 | $0.00 2025-01 | |
| 5305-01-020-7570 | MS51957-29 | $0.0500 2025-05 | |
| 5305-00-054-6654 | MS51957-30 | FF-S-92 | $0.0700 2025-11 |
| 5305-01-009-7124 | MS51957-30 | FF-S-92 | $0.0500 2025-02 |
| 5305-01-700-3431 | MS51957-30 | $0.19 2026-02 | |
| 5305-00-054-6655 | MS51957-31 | FF-S-92 | |
| 5305-01-258-0031 | MS51957-31 | $0.26 2024-06 | |
| 5305-00-054-6656 | MS51957-32 | ||
| 5305-00-054-6657 | MS51957-33 | ||
| 5305-00-054-6658 | MS51957-34 | FFS92 | |
| 5305-01-406-7438 | MS51957-34 | ||
| 5305-00-054-6659 | MS51957-35 | ||
| 5305-00-054-6660 | MS51957-36 | $0.11 2024-05 | |
| 5305-01-701-1561 | MS51957-36 | ||
| 5305-00-054-6661 | MS51957-37 | ||
| 5305-00-936-1711 | MS51957-37 | ||
| 5305-00-054-6662 | MS51957-38 | ||
| 5305-00-054-6664 | MS51957-39 | $0.24 2026-02 | |
| 5305-00-054-6665 | MS51957-40 | FF-S-92 | $0.0400 2025-01 |
| 5305-00-054-6666 | MS51957-41 | $0.0600 2025-11 | |
| 5305-01-543-2338 | MS51957-41 | $0.12 2025-04 | |
| 5305-00-054-6667 | MS51957-42 | $0.16 2025-02 | |
| 5305-01-578-7546 | MS51957-42 | $0.20 2026-07 | |
| 5305-00-054-6668 | MS51957-43 | FF-S-92 | $0.20 2025-06 |
Each row is one National Stock Number and the part numbers DLA FLIS lists on it, as written there. A blank means FLIS lists no part in that series on the stock number, not that the size does not exist. 269 more stock numbers are not shown.
Sources and how to read this page.Details
Reference numbers the Federal Logistics Information System records against the same National Stock Number. A supply-catalog cross-reference, not an engineering-approved interchangeability: confirm against the controlling drawing or spec before substituting. Only equivalents marked cited have a manufacturer or government document, linked with each.
Source: DLA Federal Logistics Information System, via DLA PUB LOG ↗ (FLIS Data Electronic Reading Room ↗), data as of 2025-03-18 (March 2025 snapshot). Federal supply classes 5305 Screws, 5310 Nuts and washers. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.
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