Cross reference · NAS (Aerospace Industries Association) · Screw thread insert

NASM21209 cross referenceMS21209C

NASM21209 is a screw thread insert series on 297 government stock numbers. Its closest equivalents are MS21209C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

297 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • 209CHowmet Fastening SystemsCatalog only, needs approvalon 24 of 297 stock numbers, 24 sizes
  • TLF3CHowmet Fastening SystemsCatalog only, needs approvalon 2 of 297 stock numbers, 2 sizes
5 more on one stock number each: TFL3C, TLC5C, TLC6C, TLC8C, TLF4C
  • TFL3CHowmet Fastening SystemsCatalog only, needs approvalon 1 of 297 stock numbers
  • TLC5CHowmet Fastening SystemsCatalog only, needs approvalon 1 of 297 stock numbers
  • TLC6CHowmet Fastening SystemsCatalog only, needs approvalon 1 of 297 stock numbers
  • TLC8CHowmet Fastening SystemsCatalog only, needs approvalon 1 of 297 stock numbers
  • TLF4CHowmet Fastening SystemsCatalog only, needs approvalon 1 of 297 stock numbers

Standards

  • MS21209CMSCatalog only, needs approvalon 109 of 297 stock numbers, 110 sizes
  • MS21209FMSCatalog only, needs approvalon 103 of 297 stock numbers, 107 sizes
  • MS21209MSCatalog only, needs approvalon 18 of 297 stock numbers, 18 sizes
  • MS21209C0815LMSCatalog only, needs approvalon 2 of 297 stock numbers
  • MS21209C0820LMSCatalog only, needs approvalon 2 of 297 stock numbers
  • MS21209C1020LMSCatalog only, needs approvalon 2 of 297 stock numbers
  • MS2120FMSCatalog only, needs approvalon 2 of 297 stock numbers, 2 sizes
5 more on one stock number each: MS21209C0210L, MS21209C0210P, MS21209C0215L, MS21209C0215P, MS21209C0220L
  • MS21209C0210LMSCatalog only, needs approvalon 1 of 297 stock numbers
  • MS21209C0210PMSCatalog only, needs approvalon 1 of 297 stock numbers
  • MS21209C0215LMSCatalog only, needs approvalon 1 of 297 stock numbers
  • MS21209C0215PMSCatalog only, needs approvalon 1 of 297 stock numbers
  • MS21209C0220LMSCatalog only, needs approvalon 1 of 297 stock numbers

Airframer and OEM drawings

  • 209FGeneral DynamicsCatalog only, needs approvalon 18 of 297 stock numbers, 18 sizes
  • 364MS008PRTXCatalog only, needs approvalon 5 of 297 stock numbers, 5 sizes
  • 60A5AUS NavyCatalog only, needs approvalon 5 of 297 stock numbers, 5 sizes
  • 2JC2406HNorthrop GrummanCatalog only, needs approvalon 4 of 297 stock numbers, 4 sizes
  • 364MR8PRTXCatalog only, needs approvalon 4 of 297 stock numbers, 4 sizes
  • SMD503309US ArmyCatalog only, needs approvalon 4 of 297 stock numbers, 4 sizes
  • 331C114HNorthrop GrummanCatalog only, needs approvalon 3 of 297 stock numbers, 3 sizes
  • 691C650PGECatalog only, needs approvalon 3 of 297 stock numbers, 3 sizes
  • 364MR008PRTXCatalog only, needs approvalon 2 of 297 stock numbers, 2 sizes
  • 364MT008PRTXCatalog only, needs approvalon 2 of 297 stock numbers, 2 sizes
2 more on one stock number each: 1NL621R5N, 691C651P
  • 1NL621R5NBAE SystemsCatalog only, needs approvalon 1 of 297 stock numbers
  • 691C651PBAE SystemsCatalog only, needs approvalon 1 of 297 stock numbers

Plus 263 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for NASM21209

Part number NASM21209

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

Install tooling

SpecLok has no catalog family for NASM21209. Tooling for the equivalents:

What the government paid

DLA awards on 91 of 297 stock numbers, 271 awards from 2023-01-06 to 2026-09-10.

Latest award per stock number: $0.10 to $50.00 each.

DLA production lead time: 13 to 330 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

297 stock numbers
Part numbers DLA FLIS lists for NASM21209 and its equivalents, by stock number
NSNNASM21209MS21209CLast DLA price
5325-00-008-7100NASM21209MS21209C0630
5325-00-026-2017NASM21209MS21209C9-10
5325-00-045-0514NASM21209
5325-00-059-4685NASM21209$0.75 2024-01
5325-00-068-1286NASM21209$1.40 2025-05
5325-00-079-9570NASM21209MS21209C08-30
5325-00-175-2773NASM21209$0.26 2025-08
5325-00-210-3920NASM21209$0.14 2026-08
5325-00-210-3935NASM21209MS21209C6-10
5325-00-213-8727NASM21209MS21209C0625
5325-00-215-0248NASM21209MS21209C0215
5325-00-215-0249NASM21209MS21209C0825
5325-00-218-1518NASM21209$0.24 2026-03
5325-00-245-5195NASM21209MS21209C0610$0.17 2025-10
5325-00-263-8728NASM21209MS21209C0410$0.10 2023-04
Show 45 more sizes
More sizes
NSNNASM21209MS21209CLast DLA price
5325-00-288-1921NASM21209$0.14 2023-09
5325-00-307-1518NASM21209$2.24 2025-06
5325-00-324-9146NASM21209
5325-00-327-4808NASM21209
5325-00-327-4820NASM21209$0.18 2026-05
5325-00-338-0772NASM21209$0.28 2025-01
5325-00-341-7111NASM21209
5325-00-364-9932NASM21209$0.19 2026-06
5325-00-376-8648NASM21209
5325-00-379-5634NASM21209
5325-00-410-2476NASM21209$0.37 2025-01
5325-00-421-9354NASM21209
5325-00-425-2153NASM21209$0.94 2024-03
5325-00-462-4226NASM21209MS21209C0220
5325-00-480-3654NASM21209
5325-00-514-8478NASM21209
5325-00-529-9262NASM21209$0.53 2026-06
5325-00-541-9054NASM21209
5325-00-544-3129NASM21209
5325-00-558-8826NASM21209MS21209C0620
5325-00-566-6321NASM21209
5325-00-582-7256NASM21209
5325-00-589-5335NASM21209MS21209C1-10
5325-00-619-4227NASM21209$1.00 2026-08
5325-00-630-2377NASM21209
5325-00-631-7889NASM21209MS21209C0425
5325-00-631-7891NASM21209
5325-00-631-7894NASM21209MS21209C0415$0.24 2026-08
5325-00-678-3309NASM21209$5.00 2025-08
5325-00-678-3310NASM21209
5325-00-678-3311NASM21209$0.29 2024-08
5325-00-680-3762NASM21209MS21209C1-15
5325-00-680-8768NASM21209$0.20 2026-08
5325-00-684-9501NASM21209$0.15 2026-09
5325-00-685-0693NASM21209
5325-00-688-0152NASM21209
5325-00-701-3811NASM21209MS21209C7-15
5325-00-716-6615NASM21209MS21209C0225
5325-00-716-9148NASM21209$0.63 2025-04
5325-00-721-6936NASM21209MS21209C0820
5325-00-721-7498NASM21209$0.18 2026-08
5325-00-721-7653NASM21209
5325-00-721-7915NASM21209
5325-00-721-8352NASM21209MS21209C4-20$0.13 2023-02
5325-00-723-6775NASM21209MS21209C7-20

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. 237 more stock numbers are not shown.

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 5325 Fastening devices. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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