The Washer,flat, cataloged under National Stock Number 5310-01-511-8369, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-511-8369 |
| Primary Part Number | D25-125-1017 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wanner Engineering Inc |
| Status | ACTIVE |
| Overall Diameter | 1.555 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | NATURAL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | NICKEL AND STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.000 INCHES NOMINAL IN |
| Thickness | 0.057 INCHES MINIMUM AND 0.067 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 |
|---|---|
| D35XGTTTTTCG REF NO.8 | Wanner Engineering Inc (USA) |
| D25-125-1017 PRIMARY | Wanner Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| D25-125-XXXX | D/9 Drawing number reference only Wanner Engineering Inc |
NSN 5310-01-511-8369 is a Washer,flat, manufactured by Wanner Engineering Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-511-8369 has 2 manufacturer part numbers on file: D35XGTTTTTCG REF NO.8 (Wanner Engineering Inc), D25-125-1017 (Wanner Engineering Inc).
Key specifications for D25-125-1017: Overall Diameter: 1.555 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Color: NATURAL OVERALL; Special Features: D25 DAMPENING WASHER; "H" STAMPED ON SURFACE INDICATES HASTELLOY C22 MATERIAL. 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.