The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-331-1339, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-331-1339 |
| Primary Part Number | 3SLC-C12 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Collar Inside Diameter | 0.374 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Collar Overall Height | 0.364 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN |
| Collar Style | STRAIGHT TYPE |
| Collar Outside Diameter | 0.529 INCHES MINIMUM AND 0.533 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| 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 |
|---|---|
| 3SLC-C12 PRIMARY | Huck International, Inc (USA) |
NSN 5320-01-331-1339 is a Collar,pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-331-1339 has 1 manufacturer part number on file: 3SLC-C12 (Huck International, Inc).
Key specifications for 3SLC-C12: Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Collar Inside Diameter: 0.374 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN; Collar Overall Height: 0.364 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN; Collar Style: STRAIGHT TYPE. 8 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.