The Pin-Rivet, cataloged under National Stock Number 5320-01-697-2109, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-697-2109 |
| Primary Part Number | HLT251-10-11 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.0694 INCHES MAXIMUM IN |
| Fastener Length | 1.0475 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | HI-SHEAR SPEC258 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUNTERSUNK LESS THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Grip Length | 0.6875 INCHES NOMINAL IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM 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 | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.5001 INCHES MINIMUM AND 0.5051 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 |
|---|---|
| HLT251-10-11 | West Coast Aerospace, Inc. (USA) |
| HLT251-10-11 | Huck International, Inc (USA) |
| HLT251-10-11 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HLT251-10-11 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT251-10-11 | 5/2 Secondary reference U.S. Government activity |
| HLT251 | D/9 Drawing number reference only Hi-Shear Corporation |
NSN 5320-01-697-2109 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-697-2109 has 3 manufacturer part numbers on file: HLT251-10-11 (West Coast Aerospace, Inc.), HLT251-10-11 (Huck International, Inc), HLT251-10-11 (Hi-Shear Corporation).
Key specifications for HLT251-10-11: Shank Diameter: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.0694 INCHES MAXIMUM IN; Fastener Length: 1.0475 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.