Cross reference · NAS (Aerospace Industries Association) · Plate self-locking nut
NAS1870 cross referenceHowmet F1934
NAS1870 is a plate self-locking nut series on 18 government stock numbers. Its closest equivalents are Howmet F1934. Each one is labeled with how strong the evidence is.
- Issued by NAS
- Item Plate self-locking nut
- Stock numbers 18
- Equivalents 12
- DLA paid $0.74 to $42.50
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- F1934Howmet Fastening SystemsCatalog only, needs approvalon 12 of 18 stock numbers, 16 sizes
- RM52LHAESNACatalog only, needs approvalon 3 of 18 stock numbers, 4 sizes
- 52LHAESNACatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
4 more on one stock number each: NS103219, T4121S1032S, T8266S1032S, VN182A
- NS103219SPS TechnologiesCatalog only, needs approvalon 1 of 18 stock numbers
- T4121S1032SCherry AerospaceCatalog only, needs approvalon 1 of 18 stock numbers
- T8266S1032SCherry AerospaceCatalog only, needs approvalon 1 of 18 stock numbers
- VN182AHowmet Fastening SystemsCatalog only, needs approvalon 1 of 18 stock numbers
Airframer and OEM drawings
- BACN10EK5ABoeingCatalog only, needs approvalon 2 of 18 stock numbers, 2 sizes
4 more on one stock number each: 962C419PT, BACN10JS3A, HS4543, LE114
- 962C419PTBAE SystemsCatalog only, needs approvalon 1 of 18 stock numbers
- BACN10JS3ABoeingCatalog only, needs approvalon 1 of 18 stock numbers
- HS4543BoeingCatalog only, needs approvalon 1 of 18 stock numbers
- LE114BoeingCatalog only, needs approvalon 1 of 18 stock numbers
Plus 9 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for NAS1870
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for NAS1870. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 5 of 18 stock numbers, 8 awards from 2024-05-16 to 2026-03-23.
Latest award per stock number: $0.74 to $42.50 each.
DLA production lead time: 112 to 217 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 | NAS1870 | F1934 | RM52LHA | BACN10EK5A | Last DLA price |
|---|---|---|---|---|---|
| 5310-00-826-6131 | NAS1870-3-2 | F1934-3-2CW | $0.74 2026-03 | ||
| 5310-00-685-7927 | NAS1870-3-3 | F1934-1032-3 | RM52LHA3006-3-02 | BACN10EK5A33 | |
| 5310-01-042-8869 | NAS1870-3-4 | $1.75 2026-03 | |||
| 5310-00-809-7434 | NAS1870-3-5 | F1934-3-5 | |||
| 5310-00-584-6809 | NAS1870-3-6 | F1934-3-6 | |||
| 5310-01-706-3256 | NAS1870-3-9 | ||||
| 5310-00-057-3585 | NAS1870-4-2 | F1934-4-2 | RM52LHA3006-2-048 | $1.42 2024-05 | |
| 5310-00-052-0557 | NAS1870-4-3 | F1934-4-3 | $15.85 2025-04 | ||
| 5310-00-584-8165 | NAS1870-4-4 | F1934-4-4 | |||
| 5310-01-628-6052 | NAS1870-4-5 | ||||
| 5310-00-814-6662 | NAS1870-4-6 | F1934-428-6 | RM52LHA3006-6-048 | BACN10EK5A46 | |
| 5310-00-812-2418 | NAS1870-5-2 | F1934-524-2 | |||
| 5310-00-819-8043 | NAS1870-5-3 | F1934-524-3 | |||
| 5310-00-936-4577 | NAS1870-5-5 | F1934-5-5 | |||
| 5310-00-782-8041 | NAS1870-5-6 | F1934-5-6 | $42.50 2024-06 |
Show 3 more sizes
| NSN | NAS1870 | F1934 | RM52LHA | BACN10EK5A | Last DLA price |
|---|---|---|---|---|---|
| 5310-01-628-6095 | NAS1870-08-3 | ||||
| 5310-01-327-5709 | NAS1870-3-2K | ||||
| 5310-01-252-7283 | NAS1870-3-5K |
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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