Cross reference · NAS (Aerospace Industries Association) · Plate self-locking nut

NAS1870CL cross referenceHowmet F1934

NAS1870CL is a plate self-locking nut series on 8 government stock numbers. It is cross-referenced to Howmet F1934. Each one is labeled with how strong the evidence is.

Series in the government catalog

8 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • F1934Howmet Fastening SystemsCatalog only, needs approvalon 7 of 8 stock numbers, 7 sizes
1 more on one stock number each: RMLHA3280
  • RMLHA3280SPS TechnologiesCatalog only, needs approvalon 1 of 8 stock numbers

Airframer and OEM drawings

    2 more on one stock number each: L513302L, LE114
    • L513302LLockheed MartinCatalog only, needs approvalon 1 of 8 stock numbers
    • LE114BoeingCatalog only, needs approvalon 1 of 8 stock numbers

    Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for NAS1870CL

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

    Install tooling

    SpecLok has no catalog family for NAS1870CL. Tooling for the cross-referenced series:

    None of these series is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 2 of 8 stock numbers, 3 awards from 2023-12-05 to 2025-01-21.

    Latest award per stock number: $2.11 to $2.77 each.

    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

    8 stock numbers
    Part numbers DLA FLIS lists for NAS1870CL and the series cross-referenced to it, by stock number
    NSNNAS1870CLF1934RMLHA3280L513302LLE114Last DLA price
    5310-01-109-5476NAS1870CL3-2F1934-01-3-2
    5310-01-038-4781NAS1870CL3-3F1934-01-3-3RMLHA3280-3-02L513302L3-3
    5310-01-172-5583NAS1870CL3-4F1934-01-3-4
    5310-01-137-9718NAS1870CL3-5F1934-01-3-5LE114-0102-0305$2.11 2025-01
    5310-01-133-1588NAS1870CL3-6F1934-01-3-6
    5310-01-172-5584NAS1870CL4-2F1934-01-4-2$2.77 2023-12
    5310-01-665-2945NAS1870CL4-4
    5310-01-163-9315NAS1870CL4-5F1934-01-4-5

    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.

    Reference only: the controlling drawing, its process spec and the manufacturer's installation instructions govern. How to use these answers

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