The Washer,recessed, cataloged under National Stock Number 5310-00-231-7030, 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 Defense. Government technical data includes 10 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 | 5310-00-231-7030 |
| Primary Part Number | 68A112300-2003 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS13101,CL2,TY2,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | MIL-T-9047,TY 3,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN |
| Material Thickness | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Recess Diameter | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Hole Diameter | 0.514 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN |
| Recess Angle | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 68A112300-2003 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-00-231-7030 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-231-7030 has 1 manufacturer part number on file: 68A112300-2003 (The Boeing Company Div Defense).
Key specifications for 68A112300-2003: Surface Treatment Document and Classification: PS13101,CL2,TY2,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: MIL-T-9047,TY 3,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN. 10 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.