The Washer,flat, cataloged under National Stock Number 5310-00-899-9211, 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9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-899-9211 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Diameter | 0.940 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.141 INCHES NOMINAL IN |
| Thickness | 0.031 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 |
|---|---|
| 112072-61 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 112072-61 | 5/9 Secondary reference Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County |
| 112072-61 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-899-9211 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-899-9211: Overall Diameter: 0.940 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ANODIZE 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.