The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-455-7844, 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 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-455-7844 |
| Primary Part Number | 3M1249N4 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Collar Inside Diameter | 0.268 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN |
| Collar Overall Height | 0.340 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.418 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| 3M1249N4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M1249N4 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 3M1249N4 | 5/2 Secondary reference U.S. Government activity |
| EN1101CR8 | 5/9 Secondary reference U.S. Government activity |
| 10201338 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5320-01-455-7844 is a Collar,pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-455-7844 has 1 manufacturer part number on file: 3M1249N4 (Howmet Global Fastening Systems Inc).
Key specifications for 3M1249N4: Collar Inside Diameter: 0.268 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN; Collar Overall Height: 0.340 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE; Collar Outside Diameter: 0.418 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN. 9 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.