The Pin-Rivet, cataloged under National Stock Number 5320-01-515-1271, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-515-1271 |
| Primary Part Number | HLT622PB20-28 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.637 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Fastener Length | 2.755 INCHES MINIMUM AND 2.775 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.563 INCHES IN |
| Grip Length | 1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN |
| Width Between Flats | 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 210000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.918 INCHES MINIMUM AND 0.953 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 |
|---|---|
| HLT622PB20-28 PRIMARY | Hi-Shear Corporation (USA) |
| HL622PB20-28 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT622PB20-28 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL622PB20-28 | Howmet Global Fastening Systems Inc (USA) |
| HL622PB20-28 | West Coast Aerospace, Inc. (USA) |
| HLT622PB20-28 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT622PB20-28 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT622PB20-28 | 5/9 Secondary reference Sps Technologies Inc |
| HLT622PB20-28 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-515-1271 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-515-1271 has 7 manufacturer part numbers on file: HLT622PB20-28 (Hi-Shear Corporation), HL622PB20-28 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT622PB20-28 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL622PB20-28 (Howmet Global Fastening Systems Inc), HL622PB20-28 (West Coast Aerospace, Inc.) and 2 more.
Key specifications for HLT622PB20-28: Shank Diameter: 0.637 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Fastener Length: 2.755 INCHES MINIMUM AND 2.775 INCHES MAXIMUM IN. 19 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.