The Washer,recessed, cataloged under National Stock Number 5310-01-237-3879, 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 | 5310-01-237-3879 |
| Primary Part Number | LD153-0016-1010 |
| 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 | LA0109-005,FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | MIL-S-18729,COND N MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 COND D1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.218 INCHES NOMINAL IN |
| Material Thickness | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Recess Diameter | 0.765 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND ZINC OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP 4130 OVERALL |
| Hole Diameter | 0.631 INCHES MINIMUM AND 0.643 INCHES MAXIMUM IN |
| Recess Angle | 90.0 DEGREES NOMINAL |
| 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 |
|---|---|
| LD153-0016-1010 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5310-01-237-3879 is a Washer,recessed, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-237-3879 has 1 manufacturer part number on file: LD153-0016-1010 (The Boeing Company Div Legacy Am&m).
Key specifications for LD153-0016-1010: Surface Treatment Document and Classification: LA0109-005,FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: MIL-S-18729,COND N MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 COND D1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.218 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.