The Washer,recessed, cataloged under National Stock Number 5310-00-210-6344, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-210-6344 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | MIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Recess Depth | 0.040 INCHES NOMINAL IN |
| Material Thickness | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Recess Diameter | 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Hole Diameter | 0.115 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN |
| Recess Angle | 100.0 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 |
| Reference | Meaning |
|---|---|
| 303767-2 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 5310-00-210-6344 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-210-6344: Style Designator: RECESSED; Material Document and Classification: MIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Recess Depth: 0.040 INCHES NOMINAL IN. 9 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.