The Pin-Rivet, cataloged under National Stock Number 5320-01-144-1040, 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 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-144-1040 |
| Primary Part Number | HLT265TB8-15-56 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND DRY FILM |
| Head Height | 0.119 INCHES NOMINAL IN |
| Fastener Length | 1.323 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | COUNTERSUNK W/REVERSE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.938 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 210000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| 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 | 0.5018 INCHES MINIMUM AND 0.5066 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 |
|---|---|
| HLT265TB8-15-56 PRIMARY | Hi-Shear Corporation (USA) |
| HLT265TB-8-15-56 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HLT265TB8-15-56 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT265TB8-15-56 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M757C4-15-56 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT265TB8-15-56 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| HLT265TB-8-15-56 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT265TB-8-15-56 | 5/9 Secondary reference U.S. Government activity |
| 10111738 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT265TB8-15-56 | 5/9 Secondary reference U.S. Government activity |
| 3M757C4-15-56 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 3M757C4-15-56 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-144-1040 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-144-1040 has 5 manufacturer part numbers on file: HLT265TB8-15-56 (Hi-Shear Corporation), HLT265TB-8-15-56 (West Coast Aerospace, Inc.), HLT265TB8-15-56 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT265TB8-15-56 (Sps Technologies, Llc Dba PB Fasteners), 3M757C4-15-56 (West Coast Aerospace, Inc.).
Key specifications for HLT265TB8-15-56: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND DRY FILM; Head Height: 0.119 INCHES NOMINAL IN; Fastener Length: 1.323 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN. 19 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.