Cross reference · Boeing · Plate self-locking nut

LE114 cross referenceHowmet F1934, SPS C161, ESNA RM52LHA, NAS1870

LE114 is a Boeing plate self-locking nut series on 4 government stock numbers. Its closest equivalents are Howmet F1934, SPS C161, ESNA RM52LHA, NAS1870. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

4 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • F1934Howmet Fastening SystemsCatalog only, needs approvalon 2 of 4 stock numbers, 3 sizes
5 more on one stock number each: C161, G11192J, G49838, KFN600, RM52LHA
  • C161SPS TechnologiesCatalog only, needs approvalon 1 of 4 stock numbers
  • G11192JSPS TechnologiesCatalog only, needs approvalon 1 of 4 stock numbers
  • G49838Howmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers
  • KFN600Howmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers, 2 sizes
  • RM52LHAESNACatalog only, needs approvalon 1 of 4 stock numbers, 2 sizes

Standards

    2 more on one stock number each: NAS1870, NAS1870CL
    • NAS1870NASCatalog only, needs approvalon 1 of 4 stock numbers
    • NAS1870CLNASCatalog only, needs approvalon 1 of 4 stock numbers

    Plus 7 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for LE114

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

    Install tooling

    SpecLok has no catalog family for LE114. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 2 of 4 stock numbers, 4 awards from 2024-04-08 to 2026-02-24.

    Latest award per stock number: $0.55 to $2.11 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

    4 stock numbers
    Part numbers DLA FLIS lists for LE114 and its equivalents, by stock number
    NSNLE114F1934C161RM52LHANAS1870Last DLA price
    5310-01-187-8703LE114-0030-0003$0.55 2026-02
    5310-01-137-9718LE114-0102-0305F1934-01-3-5$2.11 2025-01
    5310-00-814-6662LE114-0102-0406F1934-428-6RM52LHA3006-6-048NAS1870-4-6
    5310-01-284-4760LE114-0046A3566C161-4-3L-35-66

    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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