The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-490-3590, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-490-3590 |
| Primary Part Number | EN1182ND8 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM OR CETYL ALCOHOL |
| Surface Treatment Document and Classification | AS5272, TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Collar Inside Diameter | 0.268 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN |
| Collar Overall Height | 0.359 INCHES NOMINAL IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.418 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-T-9047 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY 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 |
|---|---|
| EN1182ND8 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| EN1182ND8 | 3/2 Design control — primary reference U.S. Government activity |
| EN1182ND8 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
NSN 5320-01-490-3590 is a Collar,pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-490-3590 has 1 manufacturer part number on file: EN1182ND8 (Howmet Global Fastening Systems Inc).
Key specifications for EN1182ND8: Lubrication: DRY FILM OR CETYL ALCOHOL; Surface Treatment Document and Classification: AS5272, TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Collar Inside Diameter: 0.268 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN; Collar Overall Height: 0.359 INCHES NOMINAL IN. 13 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.