The Washer,recessed, cataloged under National Stock Number 5310-01-050-4259, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-050-4259 |
| Primary Part Number | MDE32248-97 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Top Recess Diameter | 0.435 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 0.435 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN |
| Top Recess Angle | 100.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material Thickness | 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Bottom Recess Angle | 100.0 DEGREES NOMINAL |
| Material | STEEL COMP 303SE OVERALL |
| Hole Diameter | 0.315 INCHES MINIMUM AND 0.324 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 |
|---|---|
| MDE32248-97 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| MDE32248-97 PRIMARY | The Boeing Company Div Defense (USA) |
| MDE32248-97 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| MDE32248-97 | Kitco Llc (USA) |
NSN 5310-01-050-4259 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-050-4259 has 4 manufacturer part numbers on file: MDE32248-97 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company), MDE32248-97 (The Boeing Company Div Defense), MDE32248-97 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), MDE32248-97 (Kitco Llc).
Key specifications for MDE32248-97: Top Recess Diameter: 0.435 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN; Bottom Recess Diameter: 0.435 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN; Top Recess Angle: 100.0 DEGREES NOMINAL; Style Designator: RECESSED BOTH SIDES. 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.