The Pin-Rivet, cataloged under National Stock Number 5320-01-311-1845, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-311-1845 |
| Primary Part Number | HL20-5-8 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Head Height | 0.055 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Fastener Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5626 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Width Between Flats | 0.079 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| HL20-5-8 | West Coast Aerospace, Inc. (USA) |
| HL20-5-8 PRIMARY | Hi-Shear Corporation (USA) |
| HL20-5-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL20-5-8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL20-5-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL20-5-8 | Huck International, Inc (USA) |
| HL20-5-8 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| HL20-5-8 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-311-1845 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-311-1845 has 7 manufacturer part numbers on file: HL20-5-8 (West Coast Aerospace, Inc.), HL20-5-8 (Hi-Shear Corporation), HL20-5-8 (Sps Technologies, Llc Dba PB Fasteners), HL20-5-8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL20-5-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 2 more.
Key specifications for HL20-5-8: Shank Diameter: 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Head Height: 0.055 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Fastener Length: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT 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.