The Washer, cataloged under National Stock Number 5310-01-078-0770, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (CAGE 76854) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-078-0770 |
| Primary Part Number | 2-1185-113 |
| Item Name | Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2-1185-113 PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 248823 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-078-0770 is a Washer, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-078-0770 has 1 manufacturer part number on file: 2-1185-113 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-462-6756. Verify interchangeability with system specifications before substitution.
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.