The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-00-357-1675, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is S & L Aerospace Metals Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-357-1675 |
| Primary Part Number | 9P0220 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | S & L Aerospace Metals Llc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.375 INCHES NOMINAL IN |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-26074 GRADE B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Washer Thickness | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 420 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 |
|---|---|
| 9P0220 PRIMARY | S & L Aerospace Metals Llc (USA) |
NSN 5310-00-357-1675 is a Nut,plain,extended Washer,hexago, manufactured by S & L Aerospace Metals Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-357-1675 has 1 manufacturer part number on file: 9P0220 (S & L Aerospace Metals Llc).
Key specifications for 9P0220: Overall Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Washer Outside Diameter: 0.375 INCHES NOMINAL IN; Width Across Flats: 0.312 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-26074 GRADE B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.