Cross reference · SPS Technologies · Extended washer self-locking nut

FN1014M cross referenceESNA RMLH3858, Howmet H42L

FN1014M is a SPS extended washer self-locking nut series on 6 government stock numbers. Its closest equivalents are ESNA RMLH3858, Howmet H42L. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

6 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • RMLH3858ESNACatalog only, needs approvalon 6 of 6 stock numbers, 6 sizes
  • H42LHowmet Fastening SystemsCatalog only, needs approvalon 4 of 6 stock numbers, 4 sizes
  • H52766Howmet Fastening SystemsCatalog only, needs approvalon 2 of 6 stock numbers, 2 sizes
  • NRH30CHowmet Fastening SystemsCatalog only, needs approvalon 2 of 6 stock numbers, 2 sizes
  • VN324DHHowmet Fastening SystemsCatalog only, needs approvalon 2 of 6 stock numbers, 2 sizes
2 more on one stock number each: H42LO, T99C440NFM
  • H42LOHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • T99C440NFMCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers

Standards

    10 more on one stock number each: NAS1291A08M, NAS1291A3M, NAS1291C02M, NAS1291C04M, NAS1291C06M, NAS1291C08M, NAS1291C3M, NAS1291C3MW, NAS1291C5M, AS8650D
    • NAS1291A08MNASCatalog only, needs approvalon 1 of 6 stock numbers
    • NAS1291A3MNASCatalog only, needs approvalon 1 of 6 stock numbers
    • NAS1291C02MNASCatalog only, needs approvalon 1 of 6 stock numbers
    • NAS1291C04MNASCatalog only, needs approvalon 1 of 6 stock numbers
    • NAS1291C06MNASCatalog only, needs approvalon 1 of 6 stock numbers
    • NAS1291C08MNASCatalog only, needs approvalon 1 of 6 stock numbers
    • NAS1291C3MNASCatalog only, needs approvalon 1 of 6 stock numbers
    • NAS1291C3MWNASCatalog only, needs approvalon 1 of 6 stock numbers
    • NAS1291C5MNASCatalog only, needs approvalon 1 of 6 stock numbers
    • AS8650DSAE InternationalCatalog only, needs approvalon 1 of 6 stock numbers

    Airframer and OEM drawings

      5 more on one stock number each: A05495, B68293, B68462, B68921, CIPRDNAS1291C3M
      • A05495MBDACatalog only, needs approvalon 1 of 6 stock numbers
      • B68293MBDACatalog only, needs approvalon 1 of 6 stock numbers
      • B68462MBDACatalog only, needs approvalon 1 of 6 stock numbers
      • B68921MBDACatalog only, needs approvalon 1 of 6 stock numbers
      • CIPRDNAS1291C3MLeonardoCatalog only, needs approvalon 1 of 6 stock numbers

      Plus 42 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

      Get quotes for FN1014M

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

      Install tooling

      SpecLok has no catalog family for FN1014M. Tooling for the equivalents:

      None of the equivalents is in the SpecLok catalog yet.

      What the government paid

      DLA awards on 4 of 6 stock numbers, 46 awards from 2023-07-07 to 2026-08-03.

      Latest award per stock number: $0.46 to $1.30 each.

      DLA production lead time: 153 to 350 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

      6 stock numbers
      Part numbers DLA FLIS lists for FN1014M and its equivalents, by stock number
      NSNFN1014MRMLH3858H42LT99C440NFMNAS1291A08MAS8650DLast DLA price
      5310-00-813-6950FN1014M256RMLH3858-26H42L02
      5310-00-845-2359FN1014M440RMLH3858-40H42L04T99C440NFM$0.68 2024-07
      5310-00-882-6479FN1014M-524RMLH3858-054$1.30 2026-07
      5310-00-878-9518FN1014M632RMLH3858-62H42L06$0.46 2024-08
      5310-00-845-5030FN1014M832RMLH3858-82H42L08NAS1291A08M$0.64 2026-08
      5310-00-894-3638FN1014M1032RMLH3858-02AS8650D

      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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