The Pin-Rivet, cataloged under National Stock Number 5320-01-585-9216, 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 17 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-585-9216 |
| Primary Part Number | HL31-79-8-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.832 INCHES NOMINAL IN |
| Material Document and Classification | AMS5628 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.437 INCHES NOMINAL IN |
| Width Between Flats | 0.132 INCHES NOMINAL IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 431 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.389 INCHES MINIMUM AND 0.395 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 |
|---|---|
| HL31-79-8-7 | Huck International, Inc (USA) |
| HL31-79-8-7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL31-79-8-7 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HL31-79-8-7 PRIMARY | Hi-Shear Corporation (USA) |
| HL31-79-8-7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL31-79-8-7 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL31-79-8-7 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL31-79-8-7 | 5/2 Secondary reference U.S. Government activity |
| HL31-79-8-7 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-585-9216 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-585-9216 has 7 manufacturer part numbers on file: HL31-79-8-7 (Huck International, Inc), HL31-79-8-7 (Sps Technologies, Llc Dba PB Fasteners), HL31-79-8-7 (Sps Technologies Ltd, Tj Brooks Division), HL31-79-8-7 (Hi-Shear Corporation), HL31-79-8-7 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 2 more.
Key specifications for HL31-79-8-7: Shank Diameter: 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.832 INCHES NOMINAL IN; Material Document and Classification: AMS5628 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.