The Pin-Rivet, cataloged under National Stock Number 5320-01-045-2544, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-045-2544 |
| Primary Part Number | HL744LL-8-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 0.823 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.443 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HL744LL-8-7 PRIMARY | Hi-Shear Corporation (USA) |
| HL744LL-8-7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL744LL-8-7 | Howmet Global Fastening Systems Inc (USA) |
| HL744LL-8-7 | West Coast Aerospace, Inc. (USA) |
| HL744LL8-7 | Huck International, Inc (USA) |
| AIC-L-744LL8-7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HL744LL8-7 | 5/9 Secondary reference U.S. Government activity |
| HL744LL-8-7 | 5/9 Secondary reference U.S. Government activity |
| ST3M501-4-7 | 5/9 Secondary reference The Boeing Company Div Defense |
| MA4501-4-7 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
NSN 5320-01-045-2544 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-045-2544 has 6 manufacturer part numbers on file: HL744LL-8-7 (Hi-Shear Corporation), HL744LL-8-7 (Sps Technologies, Llc Dba PB Fasteners), HL744LL-8-7 (Howmet Global Fastening Systems Inc), HL744LL-8-7 (West Coast Aerospace, Inc.), HL744LL8-7 (Huck International, Inc) and 1 more.
Key specifications for HL744LL-8-7: Shank Diameter: 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 0.823 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.