The Pin-Rivet, cataloged under National Stock Number 5320-01-555-0279, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-555-0279 |
| Primary Part Number | HK0097C12X12 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL AND SOLID FILM |
| Head Height | 0.1242 INCHES MINIMUM AND 0.1263 INCHES MAXIMUM IN |
| Fastener Length | 1.295 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | DPS 4.50-197 HI-KOTE 1 ONLY MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS4967 FED SPEC SINGLE MATERIAL RESPONSE OR AMS4928 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUNTERSUNK LESS THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3750 INCHES IN |
| Grip Length | 0.750 INCHES NOMINAL IN |
| Width Between Flats | 0.1582 INCHES MINIMUM AND 0.1617 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM AND CHROMATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.672 INCHES MINIMUM AND 0.684 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 |
|---|---|
| HK0097C12X12 PRIMARY | Huck International, Inc (USA) |
| WC197A-12X12 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HST629AP-12-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HST629AP-12-12 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| VS3437VAP12X12 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0097C12X12 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-555-0279 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-555-0279 has 4 manufacturer part numbers on file: HK0097C12X12 (Huck International, Inc), WC197A-12X12 (West Coast Aerospace, Inc.), HST629AP-12-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HST629AP-12-12 (Hi-Shear Corporation).
Key specifications for HK0097C12X12: Shank Diameter: 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL AND SOLID FILM; Head Height: 0.1242 INCHES MINIMUM AND 0.1263 INCHES MAXIMUM IN; Fastener Length: 1.295 INCHES MINIMUM 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.