The Pin-Rivet, cataloged under National Stock Number 5320-01-071-0445, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-071-0445 |
| Primary Part Number | HLT641TL-8-5 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2852 INCHES MINIMUM AND 0.2857 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL AND DRY FILM |
| Fastener Length | 0.827 INCHES MINIMUM AND 0.847 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.322 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ANODIZE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.426 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 |
|---|---|
| HLT641TL-8-5 | West Coast Aerospace, Inc. (USA) |
| HLT641TL-8-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HLT641TL-8-5 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT641TL-8-5 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT641TL-8-5 | Huck International, Inc (USA) |
| HLT641TL-8-5 PRIMARY | Hi-Shear Corporation (USA) |
| HLT641TL-8-5 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| T892-4-5 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| T892-4-5 | 5/9 Secondary reference U.S. Government activity |
| GB510AC4-5 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| HLT641TL-8-5 | 5/2 Secondary reference U.S. Government activity |
| BM19061-4-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-071-0445 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-071-0445 has 8 manufacturer part numbers on file: HLT641TL-8-5 (West Coast Aerospace, Inc.), HLT641TL-8-5 (Howmet Global Fastening Systems Inc), HLT641TL-8-5 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT641TL-8-5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT641TL-8-5 (Huck International, Inc) and 3 more.
Key specifications for HLT641TL-8-5: Shank Diameter: 0.2852 INCHES MINIMUM AND 0.2857 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL AND DRY FILM; Fastener Length: 0.827 INCHES MINIMUM AND 0.847 INCHES MAXIMUM IN; Material Document and Classification: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.