The Washer,flat, cataloged under National Stock Number 5310-01-124-5117, 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9 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-124-5117 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | BARRY 804,FSCM 81860 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 5.210 INCHES MINIMUM AND 5.290 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.063 INCHES NOMINAL IN |
| Thickness | 0.375 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 |
| Reference | Meaning |
|---|---|
| 9810145-05 | 3/2 Design control — primary reference U.S. Government activity |
| 9810145-05 | 5/9 Secondary reference Hutchinson Aerospace & Industry, Inc. |
| 9810145-05 | 5/9 Secondary reference Barry Controls Ltd |
| 9810145-0-5804 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 981045-0-5804 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SB2000SERIES PG66 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 9810145-05804 | 5/2 Secondary reference U.S. Government activity |
| PL CM/10-94 IT39 | C/1 Advisory reference — outside the item-of-supply concept Carrier Corp |
NSN 5310-01-124-5117 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-124-5117: Surface Treatment Document and Classification: BARRY 804,FSCM 81860 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 5.210 INCHES MINIMUM AND 5.290 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL. 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.