The Washer,flat, cataloged under National Stock Number 5310-01-628-9866, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-628-9866 |
| Primary Part Number | 9853M81P38 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Material Document and Classification | B50TF14 CL-B MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY 718 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.690 INCHES NOMINAL IN |
| Thickness | 0.032 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 |
|---|---|
| 9853M81P38 | Ge Engine Services Distribution, L.l.c. (USA) |
| 9853M81P38 PRIMARY | General Electric Company (USA) |
NSN 5310-01-628-9866 is a Washer,flat, manufactured by General Electric Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-628-9866 has 2 manufacturer part numbers on file: 9853M81P38 (Ge Engine Services Distribution, L.l.c.), 9853M81P38 (General Electric Company).
Key specifications for 9853M81P38: Overall Diameter: 1.250 INCHES NOMINAL IN; Material Document and Classification: B50TF14 CL-B MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE 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.