The Washer,flat, cataloged under National Stock Number 5310-00-103-0630, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eastern Co Div Eberhard Manufacturing. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-103-0630 |
| Primary Part Number | AL15926 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Eastern Co Div Eberhard Manufacturing |
| Status | ACTIVE |
| Overall Diameter | 3.250 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/4,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Thickness | 0.100 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 |
|---|---|
| AL15926 PRIMARY | Eastern Co Div Eberhard Manufacturing (USA) |
NSN 5310-00-103-0630 is a Washer,flat, manufactured by Eastern Co Div Eberhard Manufacturing, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-103-0630 has 1 manufacturer part number on file: AL15926 (Eastern Co Div Eberhard Manufacturing).
Key specifications for AL15926: Overall Diameter: 3.250 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/4,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.