Cross reference · SPS Technologies · Machine screw

122966A cross referenceHi-Shear HR217, Howmet SC2174, NAS1218, Northrop GB511DU

122966A is a SPS machine screw series on 3 government stock numbers. Its closest equivalents are Hi-Shear HR217, Howmet SC2174, NAS1218, Northrop GB511DU. 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

  • HR217Hi-ShearCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
  • SC2174Howmet Fastening SystemsCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
2 more on one stock number each: HR217A, SC2174A
  • HR217AHi-ShearCatalog only, needs approvalon 1 of 3 stock numbers
  • SC2174AHowmet Fastening SystemsCatalog only, needs approvalon 1 of 3 stock numbers

Standards

    4 more on one stock number each: NAS1218, NAS1218R, NAS1578A, NAS1578A6R
    • NAS1218NASCatalog only, needs approvalon 1 of 3 stock numbers
    • NAS1218RNASCatalog only, needs approvalon 1 of 3 stock numbers
    • NAS1578ANASCatalog only, needs approvalon 1 of 3 stock numbers
    • NAS1578A6RNASCatalog only, needs approvalon 1 of 3 stock numbers

    Airframer and OEM drawings

    • GB511DUNorthrop GrummanCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes

    Plus 3 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for 122966A

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

    Install tooling

    SpecLok has no catalog family for 122966A. 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 2025-10-08 to 2025-11-14.

    Latest award per stock number: $53.41 each.

    DLA production lead time: 164 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

    3 stock numbers
    Part numbers DLA FLIS lists for 122966A and its equivalents, by stock number
    NSN122966AHR217SC2174NAS1218GB511DULast DLA price
    5305-01-463-9551122966A06-2HR217-06-2SC2174-06-2GB511DU06-2$53.41 2025-11
    5305-01-292-6327122966A6-12GB511DU6-12
    5305-01-191-2450122966A08-13HR217-08-13SC2174-08-13NAS1218-08-13GB511DU08-13

    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 5305 Screws. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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