The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-356-5105, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-356-5105 |
| Primary Part Number | B33428-1 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Width Across Flats | 0.252 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625,TY1,CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | ANODIZE OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Material | ALUMINUM ALLOY 7075 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 |
|---|---|
| B33428-1 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| B33428-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-356-5105 is a Nut,self-Locking,extended Washer, manufactured by Moog Military Aircraft Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-356-5105 has 1 manufacturer part number on file: B33428-1 (Moog Military Aircraft Llc).
Key specifications for B33428-1: Overall Height: 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Washer Outside Diameter: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Width Across Flats: 0.252 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625,TY1,CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 7 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.