The Washer,flat, cataloged under National Stock Number 5310-01-417-7334, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-417-7334 |
| Primary Part Number | 4397005-016 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633, TY1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.912 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN |
| Thickness | 0.055 INCHES MINIMUM AND 0.075 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 |
|---|---|
| 4397005-016 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 4397005-016 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4397005-016 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
NSN 5310-01-417-7334 is a Washer,flat, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-417-7334 has 2 manufacturer part numbers on file: 4397005-016 (Bae Systems Land & Armaments L.p.), 4397005-016 (Amz Alabama Inc.).
Key specifications for 4397005-016: Surface Treatment Document and Classification: ASTM B633, TY1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.912 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL. 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.