The Washer,recessed, cataloged under National Stock Number 5310-01-353-5123, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-353-5123 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Top Recess Diameter | 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.690 INCHES NOMINAL IN |
| Material Thickness | 0.062 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Material | NICKEL ALLOY K-500 OVERALL |
| Hole Diameter | 0.378 INCHES MINIMUM AND 0.387 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 |
| Reference | Meaning |
|---|---|
| 3180971-5 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 803-2177525-C5X X-62 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 3180971-5 | 5/9 Secondary reference Aerojet Rocketdyne of De, Inc |
NSN 5310-01-353-5123 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-360-4952, 5330-01-397-6522, 5975-01-452-0944. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-353-5123: Top Recess Diameter: 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN; Bottom Recess Diameter: 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN; Top Recess Angle: 90.0 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.