The Washer,recessed, cataloged under National Stock Number 5310-01-119-4376, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-119-4376 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Top Recess Diameter | 1.323 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Bottom Recess Diameter | 1.323 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1018 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.906 INCHES MINIMUM AND 1.908 INCHES MAXIMUM IN |
| Material Thickness | 0.500 INCHES NOMINAL IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1117 OR STEEL COMP 1018 OVERALL |
| Hole Diameter | 1.261 INCHES MINIMUM AND 1.263 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 |
|---|---|
| 803-2177141-3XX-07 | 3/2 Design control — primary reference U.S. Government activity |
| 803-2177141-3XX-07 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5310-01-119-4376 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-119-4376: Top Recess Diameter: 1.323 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-Z-325 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Bottom Recess Diameter: 1.323 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN; Top Recess Angle: 90.0 DEGREES NOMINAL. 12 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.