Cross reference · Hi-Shear (LISI Aerospace) · Pin-rivet

HLT50YC cross referenceHowmet HLT50YB, SPS AICL759C, Boeing ST3M759C

HLT50YC is a Hi-Shear pin-rivet series on 5 government stock numbers. Its closest equivalents are Howmet HLT50YB, SPS AICL759C, Boeing ST3M759C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

5 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • HLT50YBHowmet Fastening SystemsCatalog only, needs approvalon 5 of 5 stock numbers, 5 sizes
  • AICL759CSPS TechnologiesCatalog only, needs approvalon 4 of 5 stock numbers, 4 sizes
3 more on one stock number each: HL50YB, HL50YC, AICL644
  • HL50YBHuckCatalog only, needs approvalon 1 of 5 stock numbers
  • HL50YCHuckCatalog only, needs approvalon 1 of 5 stock numbers
  • AICL644SPS TechnologiesCatalog only, needs approvalon 1 of 5 stock numbers

Airframer and OEM drawings

  • ST3M759CBoeingCatalog only, needs approvalon 5 of 5 stock numbers, 5 sizes

Plus 7 reference numbers 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 HLT50YC. Tooling for the equivalents:

What the government paid

DLA awards on 2 of 5 stock numbers, 8 awards from 2023-03-20 to 2025-03-31.

Latest award per stock number: $2.50 to $6.90 each.

DLA production lead time: 192 to 377 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

5 stock numbers
Part numbers DLA FLIS lists for HLT50YC and its equivalents, by stock number
NSNHLT50YCHLT50YBAICL759CHL50YBST3M759CLast DLA price
5320-01-140-9930HLT50YC-6-2HLT50YB-6-2AIC-L-759C3-2ST3M759C3-2$2.50 2025-03
5320-01-475-7831HLT50YC-6-32HLT50YB-6-32AIC-L-759C3-32ST3M759C3-32
5320-01-130-8454HLT50YC-8-6HLT50YB-8-6AIC-L-759C4-6ST3M759C4-6
5320-01-136-1795HLT50YC-8-14HLT50YB-8-14AIC-L-759C4-14HL50YB-8-14ST3M759C4-14$6.90 2023-03
5320-01-526-3901HLT50YC-10-19HLT50YB-10-19ST3M759C5-19

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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