The Pin-Rivet, cataloged under National Stock Number 5320-01-615-2031, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-615-2031 |
| Primary Part Number | WC199A-8Y4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 0.645 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | DPS 4.50-197 HI-KOTE 1 ONLY MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Grip Length | 0.250 INCHES NOMINAL IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM ALLOY OVERALL |
| Thread Class | G3A |
| Thread Quantity Per Inch | J28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.435 INCHES MINIMUM AND 0.460 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 |
|---|---|
| WC199A-8Y4 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HK0099C8Y4 PRIMARY | Huck International, Inc (USA) |
| HST728AP-8-4 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| VS3422VAP8Y4 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0099C8Y4 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-615-2031 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-615-2031 has 3 manufacturer part numbers on file: WC199A-8Y4 (West Coast Aerospace, Inc.), HK0099C8Y4 (Huck International, Inc), HST728AP-8-4 (Hi-Shear Corporation).
Key specifications for WC199A-8Y4: Shank Diameter: 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 0.645 INCHES NOMINAL IN. 17 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.