The Pin-Rivet, cataloged under National Stock Number 5320-01-450-6586, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-450-6586 |
| Primary Part Number | 3M1255E3-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.217 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Fastener Length | 0.838 INCHES MAXIMUM IN |
| Identification Code Color | BROWN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Width Between Flats | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.322 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| 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 |
|---|---|
| EL1381NC6-7Y | Howmet Global Fastening Systems Inc (USA) |
| WC1255E-6-7 | West Coast Aerospace, Inc. (USA) |
| 3M1255E3-7 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| EL1381NC6-7Y | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-450-6586 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-450-6586 has 3 manufacturer part numbers on file: EL1381NC6-7Y (Howmet Global Fastening Systems Inc), WC1255E-6-7 (West Coast Aerospace, Inc.), 3M1255E3-7 (The Boeing Company Div Defense).
Key specifications for 3M1255E3-7: Shank Diameter: 0.217 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Fastener Length: 0.838 INCHES MAXIMUM IN; Identification Code Color: BROWN. 19 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.