The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-541-5170, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Voi-Shan Products. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-541-5170 |
| Primary Part Number | EN1101CR10 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| Status | ACTIVE |
| Lubrication | DRY FILM |
| Collar Inside Diameter | 0.330 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| Collar Overall Height | 0.435 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.532 INCHES MINIMUM AND 0.542 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.3125 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | ALUMINUM ALLOY 7075 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 |
|---|---|
| EN1101CR10 PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| WC1249N5 | West Coast Aerospace, Inc. (USA) |
| 3M1249N5 PRIMARY | The Boeing Company Div Defense (USA) |
| EN1101CR10 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5320-01-541-5170 is a Collar,pin-Rivet, manufactured by Howmet Global Fastening Systems Inc. Div Voi-Shan Products, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-541-5170 has 4 manufacturer part numbers on file: EN1101CR10 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), WC1249N5 (West Coast Aerospace, Inc.), 3M1249N5 (The Boeing Company Div Defense), EN1101CR10 (Howmet Global Fastening Systems Inc).
Key specifications for EN1101CR10: Lubrication: DRY FILM; Collar Inside Diameter: 0.330 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN; Collar Overall Height: 0.435 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE. 11 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.