Cross reference · NAS (Aerospace Industries Association) · Machine screw

NAS1221R08E cross reference

NAS1221R08E is a machine screw series on 14 government stock numbers. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

14 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    4 more on one stock number each: 122967C, HR216C, PBF1356C, SC1777C
    • 122967CSPS TechnologiesCatalog only, needs approvalon 1 of 14 stock numbers
    • HR216CHi-ShearCatalog only, needs approvalon 1 of 14 stock numbers
    • PBF1356CSPS TechnologiesCatalog only, needs approvalon 1 of 14 stock numbers
    • SC1777CHowmet Fastening SystemsCatalog only, needs approvalon 1 of 14 stock numbers

    Airframer and OEM drawings

      1 more on one stock number each: GB510CH08C
      • GB510CH08CNorthrop GrummanCatalog only, needs approvalon 1 of 14 stock numbers

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

      Get quotes for NAS1221R08E

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

      Install tooling

      SpecLok has no catalog family for NAS1221R08E. Tooling for the equivalents:

      None of the equivalents is in the SpecLok catalog yet.

      What the government paid

      DLA awards on 4 of 14 stock numbers, 6 awards from 2023-01-20 to 2026-01-16.

      Latest award per stock number: $3.45 to $32.40 each.

      DLA production lead time: 155 to 276 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

      14 stock numbers
      Part numbers DLA FLIS lists for NAS1221R08E and its equivalents, by stock number
      NSNNAS1221R08ELast DLA price
      5305-01-365-1907NAS1221R08E1$3.45 2025-11
      5305-01-712-8649NAS1221R08E2
      5305-01-365-0858NAS1221R08E3
      5305-01-365-0862NAS1221R08E4
      5305-01-365-1905NAS1221R08E5$3.85 2023-06
      5305-01-370-6949NAS1221R08E6
      5305-01-304-0742NAS1221R08E7
      5305-01-304-0743NAS1221R08E8
      5305-01-592-8922NAS1221R08E9
      5305-01-592-8897NAS1221R08E12$32.40 2026-01
      5305-01-304-0744NAS1221R08E13
      5305-01-619-2755NAS1221R08E14
      5305-01-304-1838NAS1221R08E16
      5306-01-570-2756NAS1221R08E52$7.63 2025-05

      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 classes 5305 Screws, 5306 Bolts. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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