Cross reference · ESNA · Plate self-locking nut
RM52LHA cross reference
RM52LHA is a ESNA plate self-locking nut series on 18 government stock numbers. Each one is labeled with how strong the evidence is.
- Issued by ESNA
- Item Plate self-locking nut
- Stock numbers 18
- Equivalents 26
- DLA paid $1.37 to $4.11
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- F1934Howmet Fastening SystemsCatalog only, needs approvalon 4 of 18 stock numbers, 6 sizes
- T8059SCherry AerospaceCatalog only, needs approvalon 3 of 18 stock numbers, 3 sizes
- F1972Howmet Fastening SystemsCatalog only, needs approvalon 2 of 18 stock numbers, 3 sizes
- MDRC500Howmet Fastening SystemsCatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
- NS103739SPS TechnologiesCatalog only, needs approvalon 2 of 18 stock numbers, 3 sizes
- SL2370SPS TechnologiesCatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
- T8059S1032BHowmet Fastening SystemsCatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
5 more on one stock number each: 294671L, BRC500, F19094, F1967, F49322
- 294671LLISI AerospaceCatalog only, needs approvalon 1 of 18 stock numbers
- BRC500Howmet Fastening SystemsCatalog only, needs approvalon 1 of 18 stock numbers
- F19094Howmet Fastening SystemsCatalog only, needs approvalon 1 of 18 stock numbers
- F1967Howmet Fastening SystemsCatalog only, needs approvalon 1 of 18 stock numbers
- F49322Howmet Fastening SystemsCatalog only, needs approvalon 1 of 18 stock numbers
Standards
- NAS1870NASCatalog only, needs approvalon 3 of 18 stock numbers, 3 sizes
1 more on one stock number each: MS51552N
- MS51552NMSCatalog only, needs approvalon 1 of 18 stock numbers
Airframer and OEM drawings
- BACN10EK5ABoeingCatalog only, needs approvalon 4 of 18 stock numbers, 4 sizes
- BACN10FXBoeingCatalog only, needs approvalon 4 of 18 stock numbers, 6 sizes
- BACN10MKBoeingCatalog only, needs approvalon 3 of 18 stock numbers, 3 sizes
- 3M144ABoeingCatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
- 962C419PTBAE SystemsCatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
- BACN10EK5BBoeingCatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
- BACN10FC5ABoeingCatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
5 more on one stock number each: 575R784H, BACN1OKJ, C646, GN502W3A, HS4543
- 575R784HNorthrop GrummanCatalog only, needs approvalon 1 of 18 stock numbers
- BACN1OKJBoeingCatalog only, needs approvalon 1 of 18 stock numbers
- C646Lockheed MartinCatalog only, needs approvalon 1 of 18 stock numbers
- GN502W3ANorthrop GrummanCatalog only, needs approvalon 1 of 18 stock numbers
- HS4543BoeingCatalog only, needs approvalon 1 of 18 stock numbers
Plus 41 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for RM52LHA
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for RM52LHA. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 8 of 18 stock numbers, 14 awards from 2023-01-04 to 2026-05-28.
Latest award per stock number: $1.37 to $4.11 each.
DLA production lead time: 77 to 209 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 | RM52LHA | F1934 | T8059S | NS103739 | NAS1870 | BACN10EK5A | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5310-00-894-8416 | RM52LHA71-4-02 | T8059S1032-B1 | $1.37 2023-01 | ||||
| 5310-00-084-9336 | RM52LHA71-6-02 | T8059S1032-B2 | $3.90 2024-11 | ||||
| 5310-00-084-9335 | RM52LHA71-8-02 | T8059S1032-B3 | $4.11 2026-02 | ||||
| 5310-00-721-5791 | RM52LHA227-62 | ||||||
| 5310-00-057-3585 | RM52LHA3006-2-048 | F1934-4-2 | NAS1870-4-2 | $1.42 2024-05 | |||
| 5310-00-685-7927 | RM52LHA3006-3-02 | F1934-1032-3 | NAS1870-3-3 | BACN10EK5A33 | |||
| 5310-00-904-4086 | RM52LHA3006-4-02 | BACN10EK5A34 | |||||
| 5310-00-815-9797 | RM52LHA3006-4-054 | F1934-5-4 | BACN10EK5A54 | ||||
| 5310-00-814-6662 | RM52LHA3006-6-048 | F1934-428-6 | NAS1870-4-6 | BACN10EK5A46 | |||
| 5310-00-660-2104 | RM52LHA3022-02 | ||||||
| 5310-00-021-2764 | RM52LHA3022-048 | ||||||
| 5310-00-814-0604 | RM52LHA3207-2-02 | ||||||
| 5310-00-811-6892 | RM52LHA3207-6-02 | $3.24 2025-09 | |||||
| 5310-00-930-5029 | RM52LHA4972-5-62 | NS103739-3-62 | |||||
| 5310-00-910-1030 | RM52LHA4972-6-02 |
Show 3 more sizes
| NSN | RM52LHA | F1934 | T8059S | NS103739 | NAS1870 | BACN10EK5A | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5310-00-949-9255 | RM52LHA4972-6-82 | $1.58 2024-02 | |||||
| 5310-00-062-3315 | RM52LHA4972-8-82 | $3.25 2026-05 | |||||
| 5310-00-242-5395 | RM52LHA4972-11-02 | NS103739-12-02 | $1.56 2026-05 |
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.
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 class 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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