The Washer,recessed, cataloged under National Stock Number 5310-00-099-8757, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-099-8757 |
| Primary Part Number | LD153-0004-0002 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR -12-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-200/11 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.593 INCHES NOMINAL IN |
| Recess Depth | 0.040 INCHES NOMINAL IN |
| Material Thickness | 0.067 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Recess Diameter | 0.401 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OR CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Hole Diameter | 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Recess Angle | 90.0 DEGREES MINIMUM |
| 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 |
|---|---|
| LD153-0004-0002 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| 153-0050-001REF | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-099-8757 is a Washer,recessed, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-099-8757 has 1 manufacturer part number on file: LD153-0004-0002 (The Boeing Company Div Legacy Am&m).
Key specifications for LD153-0004-0002: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR -12-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: QQ-A-200/11 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.593 INCHES NOMINAL IN. 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.