The Pin-Rivet, cataloged under National Stock Number 5320-01-450-4033, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-450-4033 |
| Primary Part Number | HLT637ST-8-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Shank Diameter | 0.2802 INCHES NOMINAL IN |
| Head Height | 0.0925 INCHES NOMINAL IN |
| Fastener Length | 0.620 INCHES NOMINAL IN |
| Material Document and Classification | AMS9428 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.195 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.6016 INCHES NOMINAL 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 |
|---|---|
| HLT637ST-8-3 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5320-01-450-4033 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-450-4033 has 1 manufacturer part number on file: HLT637ST-8-3 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for HLT637ST-8-3: Shank Diameter: 0.2802 INCHES NOMINAL IN; Head Height: 0.0925 INCHES NOMINAL IN; Fastener Length: 0.620 INCHES NOMINAL IN; Material Document and Classification: AMS9428 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.