Cross reference · Howmet Fastening Systems · Plate self-locking nut
F5031 cross referenceESNA LHTA521, SPS NS103203S, Cherry T8093C, MS21060
F5031 is a Howmet plate self-locking nut series on 11 government stock numbers. Its closest equivalents are ESNA LHTA521, SPS NS103203S, Cherry T8093C, MS21060. Each one is labeled with how strong the evidence is.
- Issued by Howmet Fastening Systems
- Item Plate self-locking nut
- Stock numbers 11
- Equivalents 18
- DLA paid $1.79 to $1.85
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- LHTA521ESNACatalog only, needs approvalon 5 of 11 stock numbers, 5 sizes
- 101FESNACatalog only, needs approvalon 4 of 11 stock numbers, 4 sizes
- NS103203SSPS TechnologiesCatalog only, needs approvalon 4 of 11 stock numbers, 4 sizes
- T8093CCherry AerospaceCatalog only, needs approvalon 3 of 11 stock numbers, 3 sizes
8 more on one stock number each: T65C1032CPWB, T65C428C, T65C428CBC, T65C428CPWB, T65C440C, T65C832C, T65C832CBC, T8090C
- T65C1032CPWBCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
- T65C428CCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
- T65C428CBCCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
- T65C428CPWBCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
- T65C440CCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
- T65C832CCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
- T65C832CBCCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
- T8090CCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
Standards
- MS21060MSCatalog only, needs approvalon 7 of 11 stock numbers, 6 sizes
1 more on one stock number each: NASM21060
- NASM21060NASCatalog only, needs approvalon 1 of 11 stock numbers
Airframer and OEM drawings
4 more on one stock number each: BACN10JR06CF, BACN10JR3CF, BACN10JR4CF, BACN10JR5CF
- BACN10JR06CFBoeingCatalog only, needs approvalon 1 of 11 stock numbers
- BACN10JR3CFBoeingCatalog only, needs approvalon 1 of 11 stock numbers
- BACN10JR4CFBoeingCatalog only, needs approvalon 1 of 11 stock numbers
- BACN10JR5CFBoeingCatalog only, needs approvalon 1 of 11 stock numbers
Plus 14 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for F5031
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for F5031. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 3 of 11 stock numbers, 8 awards from 2023-12-01 to 2026-04-29.
Latest award per stock number: $1.79 to $1.85 each.
DLA production lead time: 214 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 | F5031 | LHTA521 | NS103203S | T8093C | MS21060 | Last DLA price |
|---|---|---|---|---|---|---|
| 5310-00-780-1052 | F5031-04 | LHTA521-2860-40 | MS21060-04 | |||
| 5310-00-780-1046 | F5031-08 | LHTA521-2860-82 | MS21060-08 | $1.83 2025-11 | ||
| 5310-00-780-1041 | F5031-048 | MS21060-4 | $1.79 2026-04 | |||
| 5310-01-099-9000 | F5031-06BAC | NS103203S-62 | T8093C632 | |||
| 5310-00-780-1045 | F5031-08BC | LHTA521-2860-82BC | MS21060-08K | $1.85 2025-09 | ||
| 5310-01-098-6195 | F5031-3BAC | NS103203S-02 | T8093C1032 | |||
| 5310-00-527-1701 | F5031-3P | MS21060-3W | ||||
| 5310-01-110-0067 | F5031-4BAC | NS103203S-048 | T8093C428 | |||
| 5310-00-779-6811 | F5031-4BC | LHTA521-2860-048BC | MS21060-4K | |||
| 5310-00-780-1042 | F5031-4P | LHTA521-2860P-048 | MS21060-4W | |||
| 5310-01-145-5473 | F5031-5BAC | NS103203S-054 |
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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