The Nut,plain,assembled Washer, cataloged under National Stock Number 5310-00-074-1386, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 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 | 5310-00-074-1386 |
| Primary Part Number | 1244954-1 |
| Item Name | Nut,plain,assembled Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Washer Outside Diameter | 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Width Across Flats | 0.282 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325,CLASS 3,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | QQ-Z-325,CLASS 3,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES NUT |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Height | 0.078 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Surface Treatment | ZINC NUT |
| Surface Treatment | ZINC WASHER |
| Nut Style | EXTERNAL TOOTH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1050 WASHER |
| Material | STEEL COMP 1010 OR STEEL COMP 1020 NUT |
| 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 |
|---|---|
| 1244954-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5310-00-074-1386 is a Nut,plain,assembled Washer, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-074-1386 has 1 manufacturer part number on file: 1244954-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1244954-1: Overall Height: 0.109 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Washer Outside Diameter: 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Width Across Flats: 0.282 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-Z-325,CLASS 3,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE NUT. 17 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.