The Pin-Rivet, cataloged under National Stock Number 5320-01-583-2777, 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 12 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-583-2777 |
| Primary Part Number | 100-161-6-4X |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.201 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.079 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 100-161-6-4X PRIMARY | West Coast Aerospace, Inc. (USA) |
| 100-161-6-4X PRIMARY | Huck International, Inc (USA) |
| 100-161-6-4X PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 100-161-6-4X PRIMARY | Hi-Shear Corporation (USA) |
| 100-161-6-4X PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| 100-161-6-4X PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 100-161-6-4X | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5320-01-583-2777 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-583-2777 has 6 manufacturer part numbers on file: 100-161-6-4X (West Coast Aerospace, Inc.), 100-161-6-4X (Huck International, Inc), 100-161-6-4X (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 100-161-6-4X (Hi-Shear Corporation), 100-161-6-4X (Howmet Global Fastening Systems Inc Div City of Industry Operations) and 1 more.
Key specifications for 100-161-6-4X: Shank Diameter: 0.201 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 12 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.