The Washer,flat, cataloged under National Stock Number 5310-01-702-9887, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-702-9887 |
| Primary Part Number | 2550W24178 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp |
| Status | ACTIVE |
| Overall Diameter | 1.00 INCHES NOMINAL IN |
| Hardness Rating | 68.0 ROCKWELL B NOMINAL |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Outside Diameter | 1.00 INCHES NOMINAL IN |
| Peripheral Shape Style | DEE |
| Width | 0.86 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.281 INCHES NOMINAL IN |
| Thickness | 0.056 INCHES MINIMUM AND 0.071 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 |
| Part Number | Manufacturer |
|---|---|
| 93409A113 | Esg Elektroniksystem- Und Logistik-Gmbh (DEU) |
| 2550W24178 PRIMARY | Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp (USA) |
| 93409A113 | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-702-9887 is a Washer,flat, manufactured by Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-702-9887 has 3 manufacturer part numbers on file: 93409A113 (Esg Elektroniksystem- Und Logistik-Gmbh), 2550W24178 (Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp), 93409A113 (Mcmaster-Carr Supply Co).
Key specifications for 2550W24178: Overall Diameter: 1.00 INCHES NOMINAL IN; Hardness Rating: 68.0 ROCKWELL B NOMINAL; Cross-Sectional Shape Style: BLANK RECTANGULAR; Outside Diameter: 1.00 INCHES NOMINAL IN. 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.