The Pin-Rivet, cataloged under National Stock Number 5320-01-391-2252, 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 19 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-391-2252 |
| Primary Part Number | WC198-12-12 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL AND SOLID FILM |
| Head Height | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN |
| Fastener Length | 1.285 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Specification/standard Data | 88277-3D0098 MANUFACTURERS STANDARD |
| Grip Length | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Width Between Flats | 0.197 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.541 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Height | 0.770 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN |
| 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 | 0.5554 INCHES MINIMUM AND 0.5604 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 |
|---|---|
| WC198-12-12 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HST527DL-12-12 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HST527DL-12-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HK0098-12-12 PRIMARY | Huck International, Inc (USA) |
| VS3449DC12-12 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HST527DL-12-12 PRIMARY | Hi-Shear Corporation (USA) |
| HST527DL-12-12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VS3449DC12-12 | 5/9 Secondary reference U.S. Government activity |
| HST527DL-12-12 | 5/9 Secondary reference Sps Technologies Inc |
| 3D0098-12-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-391-2252 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-391-2252 has 7 manufacturer part numbers on file: WC198-12-12 (West Coast Aerospace, Inc.), HST527DL-12-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HST527DL-12-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HK0098-12-12 (Huck International, Inc), VS3449DC12-12 (Howmet Global Fastening Systems Inc) and 2 more.
Key specifications for WC198-12-12: Shank Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL AND SOLID FILM; Head Height: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN; Fastener Length: 1.285 INCHES MINIMUM AND 1.305 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.