The Pin-Rivet, cataloged under National Stock Number 5320-01-539-5679, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-539-5679 |
| Primary Part Number | HST627AP-6-12 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN |
| Fastener Length | 1.007 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PERHI-SHEAR SPEC 294 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Width Between Flats | 0.104 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| HST627AP-6-12 PRIMARY | Hi-Shear Corporation (USA) |
| HK0098C6X12 PRIMARY | Huck International, Inc (USA) |
| HST627AP-6-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| WC198A-6X12 PRIMARY | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| VS3449VAP6X12 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0098C6X12 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-539-5679 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-539-5679 has 4 manufacturer part numbers on file: HST627AP-6-12 (Hi-Shear Corporation), HK0098C6X12 (Huck International, Inc), HST627AP-6-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), WC198A-6X12 (West Coast Aerospace, Inc.).
Key specifications for HST627AP-6-12: Shank Diameter: 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN; Fastener Length: 1.007 INCHES MINIMUM AND 1.009 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.