Cross reference · SPS Technologies · Pin-rivet

AICL249A12C cross referenceHi-Shear HL551, Boeing 3M249A

AICL249A12C is a SPS pin-rivet series on 3 government stock numbers. Its closest equivalents are Hi-Shear HL551, Boeing 3M249A. Each one is labeled with how strong the evidence is.

Issued by SPS Technologies
Item Pin-rivet
Stock numbers 3
Equivalents 2

Equivalents in the government catalog

3 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

HL551Hi-ShearCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes

Airframer and OEM drawings

3M249ABoeingCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes

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

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Part number

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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 AICL249A12C. Tooling for the equivalents:

Hi-Lok tooling for HL551

Sizes by maker

3 stock numbers

Part numbers DLA FLIS lists for AICL249A12C and its equivalents, by stock number
NSN	AICL249A12C	HL551	3M249A
5320-01-127-9422	AIC-L-249A12C12	HL551-12-12	3M249A6-12
5320-01-026-0973	AIC-L-249A12C24	HL551-12-24	3M249A6-24
5320-01-026-0974	AIC-L-249A12C25	HL551-12-25	3M249A6-25

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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