The Washer,flat, cataloged under National Stock Number 5310-01-389-6953, 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10 specifications, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-389-6953 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.993 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Departure From Cited Document | AS MODIFIED BY MATERIAL |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 316 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN |
| Thickness | 0.108 INCHES MINIMUM AND 0.160 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 |
|---|---|
| 124-4322652 PC 101 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 124-5589897 PC 91 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 124-7121005 PC | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| MS15795-826 | 5/9 Secondary reference U.S. Government activity |
| MS15795-826 | 3/1 Design control — primary reference U.S. Government activity |
| MS15795-826 CRE S 316 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 124-6293626 PC | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 124-4322651 PC 106 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 124-4366739 PC 122 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 124-7121006 PC | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 2.0ODX1.062IDX0 .134THK CRES316 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-389-6953 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-389-6953: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.993 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Departure From Cited Document: AS MODIFIED BY MATERIAL. 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.