Cross reference · Howmet Fastening Systems · Extended washer self-locking nut

NRH30C cross referenceSPS FN1014M, ESNA RMLH3858, NAS1291A3M, MBDA A05495

NRH30C is a Howmet extended washer self-locking nut series on 3 government stock numbers. Its closest equivalents are SPS FN1014M, ESNA RMLH3858, NAS1291A3M, MBDA A05495. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

3 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • FN1014MSPS TechnologiesCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
  • RMLH3858ESNACatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
1 more on one stock number each: FN812M
  • FN812MSPS TechnologiesCatalog only, needs approvalon 1 of 3 stock numbers

Standards

    5 more on one stock number each: NAS1291A3M, NAS1291C02M, NAS1291C3M, NAS1291C3MW, AS8650D
    • NAS1291A3MNASCatalog only, needs approvalon 1 of 3 stock numbers
    • NAS1291C02MNASCatalog only, needs approvalon 1 of 3 stock numbers
    • NAS1291C3MNASCatalog only, needs approvalon 1 of 3 stock numbers
    • NAS1291C3MWNASCatalog only, needs approvalon 1 of 3 stock numbers
    • AS8650DSAE InternationalCatalog only, needs approvalon 1 of 3 stock numbers

    Airframer and OEM drawings

      4 more on one stock number each: A05495, B68921, BACN10YR5CM, CIPRDNAS1291C3M
      • A05495MBDACatalog only, needs approvalon 1 of 3 stock numbers
      • B68921MBDACatalog only, needs approvalon 1 of 3 stock numbers
      • BACN10YR5CMBoeingCatalog only, needs approvalon 1 of 3 stock numbers
      • CIPRDNAS1291C3MLeonardoCatalog only, needs approvalon 1 of 3 stock numbers

      Plus 25 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

      Get quotes for NRH30C

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

      Install tooling

      SpecLok has no catalog family for NRH30C. Tooling for the equivalents:

      None of the equivalents is in the SpecLok catalog yet.

      What the government paid

      DLA awards on 1 of 3 stock numbers, 2 awards from 2023-08-09 to 2025-09-17.

      Latest award per stock number: $12.87 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

      3 stock numbers
      Part numbers DLA FLIS lists for NRH30C and its equivalents, by stock number
      NSNNRH30CFN1014MRMLH3858NAS1291A3MAS8650DA05495Last DLA price
      5310-00-813-6950NRH30C-02MFN1014M256RMLH3858-26
      5310-00-894-3638NRH30C-3MFN1014M1032RMLH3858-02NAS1291A3MAS8650DA05495
      5310-01-330-2345NRH30C-5M$12.87 2025-09

      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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