The Pin-Rivet, cataloged under National Stock Number 5320-01-551-9790, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-551-9790 |
| Primary Part Number | WC198-10X6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Fastener Length | 0.875 INCHES NOMINAL 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 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Grip Length | 0.375 INCHES NOMINAL IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CHROMATE AND ALUMINUM OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | M3A |
| Thread Quantity Per Inch | B24 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.454 INCHES MINIMUM AND 0.467 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 |
|---|---|
| WC198-10X6 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HST627AP-10-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HK0098C10X6 PRIMARY | Huck International, Inc (USA) |
| HST627AP-10-6 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| VS3449VAP10X6 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0098C10X6 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-551-9790 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-551-9790 has 4 manufacturer part numbers on file: WC198-10X6 (West Coast Aerospace, Inc.), HST627AP-10-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HK0098C10X6 (Huck International, Inc), HST627AP-10-6 (Hi-Shear Corporation).
Key specifications for WC198-10X6: Shank Diameter: 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Fastener Length: 0.875 INCHES NOMINAL IN; Surface Treatment Document and Classification: DPS 4.50-197 (HI-KOTE 1 ONLY) MFR REF SINGLE TREATMENT RESPONSE OVERALL. 18 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.