Cross reference · Boeing · Pin-rivet
3M278A cross referenceHi-Shear HL556, SPS AICL247AX5C
3M278A is a Boeing pin-rivet series on 11 government stock numbers. Its closest equivalents are Hi-Shear HL556, SPS AICL247AX5C. Each one is labeled with how strong the evidence is.
- Issued by Boeing
- Item Pin-rivet
- Stock numbers 11
- Equivalents 3
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- HL556Hi-ShearCatalog only, needs approvalon 11 of 11 stock numbers, 11 sizes
- AICL247AX5CSPS TechnologiesCatalog only, needs approvalon 6 of 11 stock numbers, 6 sizes
1 more on one stock number each: AICL247AX8C
- AICL247AX8CSPS TechnologiesCatalog only, needs approvalon 1 of 11 stock numbers
Plus 2 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for 3M278A
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for 3M278A. Tooling for the equivalents:
- Hi-Lok tooling for HL556
Sizes by maker
| NSN | 3M278A | HL556 | AICL247AX5C | Last DLA price |
|---|---|---|---|---|
| 5320-00-218-8333 | 3M278A3-4 | HL556-6-4 | ||
| 5320-00-218-8342 | 3M278A3-5 | HL556-6-5 | ||
| 5320-00-288-3174 | 3M278A3-7 | HL556-6-7 | ||
| 5320-01-193-1929 | 3M278A4-4 | HL556-8-4 | ||
| 5320-00-288-3178 | 3M278A4-5 | HL556-8-5 | ||
| 5320-01-027-3168 | 3M278A08-3 | HL556-5-3 | AIC-L-247AX5C3 | |
| 5320-01-028-0842 | 3M278A08-4 | HL556-5-4 | AICL-247AX5C4 | |
| 5320-00-218-8216 | 3M278A08-5 | HL556-5-5 | AIC-L-247AX5C5 | |
| 5320-01-100-7055 | 3M278A08-7 | HL556-5-7 | AIC-L-247AX5C7 | |
| 5320-01-100-0681 | 3M278A08-9 | HL556-5-9 | AIC-L-247AX5C9 | |
| 5320-01-100-5221 | 3M278A08-12 | HL556-5-12 | AIC-L-247AX5C12 |
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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