The Washer,recessed, cataloged under National Stock Number 5310-01-354-0233, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-354-0233 |
| Primary Part Number | 803-5959305-A2XX-11 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Top Recess Diameter | 1.511 INCHES NOMINAL IN |
| Bottom Recess Diameter | 1.511 INCHES NOMINAL IN |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Outside Diameter | 2.220 INCHES MINIMUM AND 2.221 INCHES MAXIMUM IN |
| Material Thickness | 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Hole Diameter | 1.471 INCHES NOMINAL 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 |
|---|---|
| 803-5959305-A2XX-11 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| S4932389-6 | 3/9 Design control — primary reference Bristol Industries, Llc |
NSN 5310-01-354-0233 is a Washer,recessed, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-354-0233 has 1 manufacturer part number on file: 803-5959305-A2XX-11 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-602-1238. Verify interchangeability with system specifications before substitution.
Key specifications for 803-5959305-A2XX-11: Top Recess Diameter: 1.511 INCHES NOMINAL IN; Bottom Recess Diameter: 1.511 INCHES NOMINAL IN; Top Recess Angle: 90.0 DEGREES NOMINAL; Style Designator: RECESSED BOTH SIDES. 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.