Cross reference · MS (US military standards) · Close tolerance screw

MS21130B cross reference

MS21130B is a close tolerance screw series on 28 government stock numbers. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

28 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • CA2653Howmet Fastening SystemsCatalog only, needs approvalon 3 of 28 stock numbers, 3 sizes
  • AS124AvibankCatalog only, needs approvalon 2 of 28 stock numbers, 2 sizes

Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for MS21130B

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

Install tooling

SpecLok has no catalog family for MS21130B. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 1 of 28 stock numbers, 2 awards from 2023-02-14 to 2024-05-27.

Latest award per stock number: $469.00 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

28 stock numbers
Part numbers DLA FLIS lists for MS21130B and its equivalents, by stock number
NSNMS21130BCA2653Last DLA price
5305-01-244-8894MS21130B3-16
5305-01-197-5935MS21130B306
5305-01-197-5936MS21130B308
5305-01-197-5937MS21130B309
5305-01-197-5938MS21130B312
5305-01-197-5939MS21130B318
5305-01-197-5940MS21130B409CA2653-4-09
5305-01-197-5941MS21130B410
5305-01-197-5942MS21130B411
5305-01-197-5943MS21130B412
5305-01-197-5944MS21130B413
5305-01-197-4017MS21130B414$469.00 2024-05
5305-01-197-4016MS21130B415
5305-01-197-4015MS21130B416
5305-01-197-4014MS21130B417
Show 13 more sizes
More sizes
NSNMS21130BCA2653Last DLA price
5305-01-197-4012MS21130B419
5305-01-197-4011MS21130B421CA2653-4-21
5305-01-197-4010MS21130B423
5305-01-197-4009MS21130B424
5305-01-197-4000MS21130B425
5305-01-197-5925MS21130B430
5305-01-197-5928MS21130B437
5305-01-197-5929MS21130B440
5305-01-197-5930MS21130B450
5305-01-197-5931MS21130B511
5305-01-197-5932MS21130B526
5305-01-064-4062MS21130B610CA2653-6-10
5305-01-197-5933MS21130B655

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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