The Washer,flat, cataloged under National Stock Number 5310-01-169-0004, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 11 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 | 5310-01-169-0004 |
| Primary Part Number | LD152-0018-0052 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Surface Treatment Document and Classification | TT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.480 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-200/2,T6 OR T651 OR T6511 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/4,T6 OR T651 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/3,T4 OR T3511 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6,T4 OR T351 FED SPEC 2ND MATERIAL RESPONSE OR WW-T-700/3,T3 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-200/8,T6 OR T6511 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-225/8,T6 OR T651 FED SPEC 3RD MATERIAL RESPONSE OR WW-T-700/6,T6 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 43999-LD152-0018 MANUFACTURERS STANDARD |
| Surface Treatment | PAINT OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Thickness | 0.047 INCHES MINIMUM AND 0.052 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 |
|---|---|
| LD152-0018-0052 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5310-01-169-0004 is a Washer,flat, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-169-0004 has 1 manufacturer part number on file: LD152-0018-0052 (The Boeing Company Div Legacy Am&m).
Key specifications for LD152-0018-0052: Surface Treatment Document and Classification: TT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.480 INCHES NOMINAL IN; Material Document and Classification: QQ-A-200/2,T6 OR T651 OR T6511 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/4,T6 OR T651 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/3,T4 OR T3511 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6,T4 OR T351 FED SPEC 2ND MATERIAL RESPONSE OR WW-T-700/3,T3 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-200/8,T6 OR T6511 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-225/8,T6 OR T651 FED SPEC 3RD MATERIAL RESPONSE OR WW-T-700/6,T6 FED SPEC 3RD MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 11 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.