The Washer,flat, cataloged under National Stock Number 5310-01-512-1287, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wanner Engineering Inc. Government technical data includes 4 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 | 5310-01-512-1287 |
| Primary Part Number | D10SLSTSNECG REF NO 2 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wanner Engineering Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.500 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 |
|---|---|
| D10SLSTSNECG REF NO 2 PRIMARY | Wanner Engineering Inc (USA) |
| D10-084-2010 PRIMARY | Wanner Engineering Inc (USA) |
NSN 5310-01-512-1287 is a Washer,flat, manufactured by Wanner Engineering Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-512-1287 has 2 manufacturer part numbers on file: D10SLSTSNECG REF NO 2 (Wanner Engineering Inc), D10-084-2010 (Wanner Engineering Inc).
Key specifications for D10SLSTSNECG REF NO 2: Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: PUMP, OLIVER PERRY CLASS FFG/D10 FLUID END WITH METALLIC; Center Hole Shape Style: ROUND. 4 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.