Cross reference · Boeing · Pin-rivet

3M249A cross referenceHi-Shear HL551

3M249A is a Boeing pin-rivet series on 56 government stock numbers. Its closest equivalents are Hi-Shear HL551. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

56 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • HL551Hi-ShearCatalog only, needs approvalon 55 of 56 stock numbers, 55 sizes
  • AICL249ASPS TechnologiesCatalog only, needs approvalon 5 of 56 stock numbers, 5 sizes
  • HL19PBHi-ShearCatalog only, needs approvalon 4 of 56 stock numbers, 4 sizes
  • AICL249A12CSPS TechnologiesCatalog only, needs approvalon 3 of 56 stock numbers, 3 sizes
  • AICL249A6CSPS TechnologiesCatalog only, needs approvalon 2 of 56 stock numbers, 2 sizes
  • AICL249A8CSPS TechnologiesCatalog only, needs approvalon 2 of 56 stock numbers
2 more on one stock number each: HL5551, AICL249A12CC
  • HL5551SPS TechnologiesCatalog only, needs approvalon 1 of 56 stock numbers
  • AICL249A12CCSPS TechnologiesCatalog only, needs approvalon 1 of 56 stock numbers

Airframer and OEM drawings

  • GB510BNorthrop GrummanCatalog only, needs approvalon 2 of 56 stock numbers, 2 sizes

Plus 4 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for 3M249A

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

Install tooling

SpecLok has no catalog family for 3M249A. Tooling for the equivalents:

What the government paid

DLA awards on 4 of 56 stock numbers, 180 awards from 2023-07-07 to 2026-06-09.

Latest award per stock number: $0.35 to $2.62 each.

DLA production lead time: 72 to 327 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

56 stock numbers
Part numbers DLA FLIS lists for 3M249A and its equivalents, by stock number
NSN3M249AHL551Last DLA price
5320-01-012-55903M249A3-2HL551-6-2
5320-00-836-39843M249A3-4HL551-6-4
5320-00-731-81783M249A3-5HL551-6-5
5320-00-969-45203M249A3-6HL551-6-6$0.35 2026-06
5320-00-753-74593M249A3-7HL551-6-7
5320-00-728-84773M249A3-8HL551-6-8
5320-00-765-39103M249A3-9HL551-6-9
5320-00-907-77013M249A3-10HL551-6-10
5320-00-907-77003M249A3-11HL551-6-11
5320-00-907-77023M249A3-12HL551-6-12
5320-00-907-77113M249A3-13HL551-6-13
5320-00-536-79923M249A3-14HL551-6-14
5315-00-626-73273M249A4-2HL551-8-2
5320-00-626-73563M249A4-4HL551-8-4
5320-00-839-21633M249A4-6HL551-8-6
Show 41 more sizes
More sizes
NSN3M249AHL551Last DLA price
5320-00-959-72913M249A4-6HL551-8-6$0.90 2023-11
5320-00-765-40593M249A4-7HL551-8-7
5320-00-839-21623M249A4-8HL551-8-8
5320-00-080-15923M249A4-9HL551-8-9
5320-00-101-55133M249A4-11HL551-8-11
5320-00-728-84813M249A4-12HL551-8-12
5320-00-839-21653M249A4-13HL551-8-13
5320-00-906-70423M249A4-14HL551-8-14$2.62 2025-09
5320-01-014-43493M249A4-19HL551-8-19
5320-00-839-21673M249A5-7HL551-10-7
5320-00-279-95613M249A5-9HL551-10-9
5320-00-753-73893M249A5-10HL551-10-10
5320-00-855-14273M249A5-11HL551-10-11
5320-00-279-95763M249A5-13HL551-10-13
5320-00-855-14263M249A5-14HL551-10-14
5320-00-839-21663M249A5-15HL551-10-15
5320-00-283-47823M249A5-16HL551-10-16
5320-00-284-21053M249A5-19HL551-10-19
5320-00-284-21093M249A5-20HL551-10-20
5320-00-283-47923M249A5-24HL551-10-24
5320-00-283-47933M249A5-25HL551-10-25
5320-00-284-21163M249A5-26HL551-10-26
5320-00-283-47953M249A5-27HL551-10-27
5320-00-283-47983M249A5-28HL551-10-18
5320-00-284-21273M249A5-29HL551-10-29
5320-00-284-21293M249A5-30HL551-10-30
5320-00-284-21313M249A5-31HL551-10-31
5320-00-284-21343M249A5-34HL551-10-34
5320-01-127-94223M249A6-12HL551-12-12
5320-00-855-14233M249A6-17HL551-12-17
5320-00-292-60233M249A6-19HL551-12-19
5320-00-286-06683M249A6-20HL551-12-20
5320-00-286-06703M249A6-22HL551-12-22
5320-01-026-09733M249A6-24HL551-12-24
5320-01-026-09743M249A6-25HL551-12-25
5320-00-283-76483M249A6-26HL551-12-26
5320-00-283-76493M249A6-27HL551-12-27
5320-00-283-76503M249A6-28HL551-12-28
5320-00-192-06403M249A08-3HL551-5-3
5320-00-959-01583M249A08-3$0.68 2026-05
5320-00-088-22793M249A08-14HL551-5-14

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 classes 5315 Nails, machine keys and pins, 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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