The Pin-Rivet, cataloged under National Stock Number 5320-01-660-2707, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-660-2707 |
| Primary Part Number | HLT128-12-23 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.4047 INCHES MINIMUM AND 0.4057 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 2.0275 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 1.4375 INCHES NOMINAL IN |
| Width Between Flats | 0.197 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.585 INCHES MINIMUM AND 0.620 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 |
|---|---|
| HLT128-12-23 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT128-12-23 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT128-12-23 | Huck International, Inc (USA) |
| HLT128-12-23 PRIMARY | Hi-Shear Corporation (USA) |
| HLT128-12-23 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT128-12-23 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-660-2707 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-660-2707 has 5 manufacturer part numbers on file: HLT128-12-23 (Sps Technologies, Llc Dba PB Fasteners), HLT128-12-23 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT128-12-23 (Huck International, Inc), HLT128-12-23 (Hi-Shear Corporation), HLT128-12-23 (West Coast Aerospace, Inc.).
Key specifications for HLT128-12-23: Shank Diameter: 0.4047 INCHES MINIMUM AND 0.4057 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 2.0275 INCHES NOMINAL 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.