Cross reference · Howmet Fastening Systems · Pin-rivet

VS2971 cross referenceHi-Shear HL810, SPS 66227V, Lockheed C020

VS2971 is a Howmet pin-rivet series on 28 government stock numbers. Its closest equivalents are Hi-Shear HL810, SPS 66227V, Lockheed C020. 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

  • HL810Hi-ShearCatalog only, needs approvalon 28 of 28 stock numbers, 28 sizes
  • 66227VSPS TechnologiesCatalog only, needs approvalon 28 of 28 stock numbers, 28 sizes
1 more on one stock number each: 6227V
  • 6227VSPS TechnologiesCatalog only, needs approvalon 1 of 28 stock numbers

Airframer and OEM drawings

  • C020Lockheed MartinCatalog only, needs approvalon 28 of 28 stock numbers, 28 sizes

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

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

Install tooling

SpecLok has no catalog family for VS2971. Tooling for the equivalents:

Sizes by maker

28 stock numbers
Part numbers DLA FLIS lists for VS2971 and its equivalents, by stock number
NSNVS2971HL81066227VC020Last DLA price
5320-00-969-4538VS2971-6-3HL810-6-366227V3-3C020-6-3
5320-00-969-4547VS2971-6-4HL810-6-466227V3-4C020-6-4
5320-00-969-4541VS2971-6-5HL810-6-566227V3-5C020-6-5
5320-00-969-4546VS2971-6-6HL810-6-666227V3-6C020-6-6
5320-00-969-4545VS2971-6-7HL810-6-766227V3-7C020-6-7
5320-00-969-4549VS2971-6-9HL810-6-966227V3-9C020-6-9
5320-00-959-7498VS2971-6-10HL810-6-1066227V3-10C020-6-10
5320-00-959-7499VS2971-6-11HL810-6-1166227V3-11C020-6-11
5320-00-959-7501VS2971-6-12HL810-6-1266227V3-12C020-6-12
5320-00-959-7502VS2971-6-13HL810-6-1366227V3-13C020-6-13
5320-00-959-7503VS2971-6-14HL810-6-1466227V3-14C020-6-14
5320-00-969-4542VS2971-6-16HL810-6-2666227V3-26C020-6-26
5320-00-959-7525VS2971-6-17HL810-6-1766227V3-17C020-6-17
5320-00-959-7533VS2971-6-18HL810-6-1866227V3-18C020-6-18
5320-00-964-0745VS2971-6-19HL810-6-1966227V3-19C020-6-19
Show 13 more sizes
More sizes
NSNVS2971HL81066227VC020Last DLA price
5320-00-964-0763VS2971-6-20HL810-6-2066227V3-20C020-6-20
5320-00-969-4544VS2971-6-22HL810-6-2266227V3-22C020-6-22
5320-00-905-3779VS2971-6-23HL810-6-2366227V3-23C020-6-23
5320-00-969-4543VS2971-6-27HL810-6-2766227V3-27C020-6-27
5320-00-969-4590VS2971-8-4HL810-8-466227V4-4C020-8-4
5320-00-964-0779VS2971-8-5HL810-8-566227V4-5C020-8-5
5320-00-964-0781VS2971-8-7HL810-8-766227V4-7C020-8-7
5320-00-964-0777VS2971-8-8HL810-8-866227V4-8C020-8-8
5320-00-969-4579VS2971-8-10HL810-8-1066227V4-10C020-8-10
5320-00-969-4581VS2971-8-12HL810-8-1266227V4-12C020-8-12
5320-00-969-4582VS2971-8-13HL810-8-1366227V4-13C020-8-13
5320-00-969-4585VS2971-8-16HL810-8-1666227V4-16C020-8-16
5320-00-964-0769VS2971-10-12HL810-10-1266227V5-12C020-10-12

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 5320 Rivets. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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