Cross reference · Howmet Fastening Systems · Plate self-locking nut

F1934 cross referenceNAS1870

F1934 is a Howmet plate self-locking nut series on 28 government stock numbers. Its closest equivalents are NAS1870. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

28 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • RM52LHAESNACatalog only, needs approvalon 4 of 28 stock numbers, 5 sizes
  • 52LHAESNACatalog only, needs approvalon 2 of 28 stock numbers, 2 sizes
  • NS103219SPS TechnologiesCatalog only, needs approvalon 2 of 28 stock numbers, 2 sizes
  • T8266S1032SCherry AerospaceCatalog only, needs approvalon 2 of 28 stock numbers, 2 sizes
5 more on one stock number each: MT7S832BC, NS103, RMLHA3280, T4121C1032C, T4121S1032S
  • MT7S832BCCherry AerospaceCatalog only, needs approvalon 1 of 28 stock numbers
  • NS103SPS TechnologiesCatalog only, needs approvalon 1 of 28 stock numbers
  • RMLHA3280SPS TechnologiesCatalog only, needs approvalon 1 of 28 stock numbers
  • T4121C1032CCherry AerospaceCatalog only, needs approvalon 1 of 28 stock numbers
  • T4121S1032SCherry AerospaceCatalog only, needs approvalon 1 of 28 stock numbers

Standards

  • NAS1870NASCatalog only, needs approvalon 12 of 28 stock numbers, 12 sizes
  • NAS1870CLNASCatalog only, needs approvalon 7 of 28 stock numbers, 7 sizes
  • NAS1870CNASCatalog only, needs approvalon 4 of 28 stock numbers, 4 sizes
1 more on one stock number each: MS21073L08K
  • MS21073L08KMSCatalog only, needs approvalon 1 of 28 stock numbers

Airframer and OEM drawings

  • 3M143CBoeingCatalog only, needs approvalon 3 of 28 stock numbers, 3 sizes
  • BACN10EK5ABoeingCatalog only, needs approvalon 3 of 28 stock numbers, 3 sizes
  • BACN10JS3ABoeingCatalog only, needs approvalon 3 of 28 stock numbers, 3 sizes
  • LE114BoeingCatalog only, needs approvalon 2 of 28 stock numbers, 2 sizes
6 more on one stock number each: 3D0016S, 3M143C3B, 962C419PT, BACN10JS4A6CM, HS4543, L513302L
  • 3D0016SBoeingCatalog only, needs approvalon 1 of 28 stock numbers
  • 3M143C3BBoeingCatalog only, needs approvalon 1 of 28 stock numbers
  • 962C419PTBAE SystemsCatalog only, needs approvalon 1 of 28 stock numbers
  • BACN10JS4A6CMBoeingCatalog only, needs approvalon 1 of 28 stock numbers
  • HS4543BoeingCatalog only, needs approvalon 1 of 28 stock numbers
  • L513302LLockheed MartinCatalog only, needs approvalon 1 of 28 stock numbers

Plus 18 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for F1934

Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.

Install tooling

SpecLok has no catalog family for F1934. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 8 of 28 stock numbers, 13 awards from 2023-12-05 to 2026-07-13.

Latest award per stock number: $0.74 to $42.50 each.

DLA production lead time: 112 to 275 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

28 stock numbers
Part numbers DLA FLIS lists for F1934 and its equivalents, by stock number
NSNF1934RM52LHANAS18703M143CLast DLA price
5310-01-109-5476F1934-01-3-2
5310-01-038-4781F1934-01-3-3
5310-01-172-5583F1934-01-3-4
5310-01-137-9718F1934-01-3-5$2.11 2025-01
5310-01-133-1588F1934-01-3-6
5310-01-172-5584F1934-01-4-2$2.77 2023-12
5310-01-163-9315F1934-01-4-5
5310-00-763-3937F1934-3-4
5310-00-809-7434F1934-3-5NAS1870-3-5
5310-00-584-6809F1934-3-6NAS1870-3-6
5310-00-057-3585F1934-4-2RM52LHA3006-2-048NAS1870-4-2$1.42 2024-05
5310-00-052-0557F1934-4-3NAS1870-4-3$15.85 2025-04
5310-00-584-8165F1934-4-4NAS1870-4-4
5310-00-815-9797F1934-5-4RM52LHA3006-4-054
5310-00-936-4577F1934-5-5NAS1870-5-5
Show 13 more sizes
More sizes
NSNF1934RM52LHANAS18703M143CLast DLA price
5310-00-782-8041F1934-5-6NAS1870-5-6$42.50 2024-06
5310-00-849-6860F1934-31-3-23M143C3-2$3.89 2026-05
5310-00-492-3053F1934-31-3-3
5310-01-127-1538F1934-31-3-43M143C3-4
5310-00-849-6865F1934-31-3-63M143C3-6
5310-00-814-6662F1934-428-6RM52LHA3006-6-048NAS1870-4-6
5310-00-812-2418F1934-524-2NAS1870-5-2
5310-00-819-8043F1934-524-3NAS1870-5-3
5310-00-685-7927F1934-1032-3RM52LHA3006-3-02NAS1870-3-3
5310-01-172-5580F1934-01-4-6BAC$29.90 2026-07
5310-00-514-6553F1934-3-2BAC
5310-00-826-6131F1934-3-2CWNAS1870-3-2$0.74 2026-03
5310-01-233-1410F1934-3-3BAC

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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