The Pin-Rivet, cataloged under National Stock Number 5320-00-080-1592, 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 15 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-080-1592 |
| Primary Part Number | HL551-8-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Fastener Length | 0.919 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.577 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN |
| Width Between Flats | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.389 INCHES MINIMUM AND 0.394 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 |
|---|---|
| HL551-8-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL551-8-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL551-8-9 PRIMARY | Hi-Shear Corporation (USA) |
| HL551-8-9 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| HL551-8-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL551-8-9 | Satair A/s (DNK) |
| HL551-8-9 | West Coast Aerospace, Inc. (USA) |
| 3M249A4-9 | The Boeing Company Div Defense (USA) |
| HL551-8-9 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HL551-8-9 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-00-080-1592 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-080-1592 has 9 manufacturer part numbers on file: HL551-8-9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL551-8-9 (Sps Technologies, Llc Dba PB Fasteners), HL551-8-9 (Hi-Shear Corporation), HL551-8-9 (Fairchild Fasteners Europe - Vsd Gmbh), HL551-8-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 4 more.
Key specifications for HL551-8-9: Shank Diameter: 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN; Fastener Length: 0.919 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Head Style: FLUSH COUNTERSUNK. 15 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.