The Washer,flat, cataloged under National Stock Number 5310-01-730-5567, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Gm Defense Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-730-5567 |
| Primary Part Number | 17211063 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Gm Defense Llc |
| Status | ACTIVE |
| Center Hole Width | 0.250 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Width | 0.750 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES NOMINAL IN |
| Thickness | 0.110 INCHES MINIMUM AND 0.140 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 |
|---|---|
| 17211063 PRIMARY | Gm Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 90131A102 | 5/1 Secondary reference Mcmaster-Carr Supply Co |
NSN 5310-01-730-5567 is a Washer,flat, manufactured by Gm Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-730-5567 has 1 manufacturer part number on file: 17211063 (Gm Defense Llc).
Key specifications for 17211063: Center Hole Width: 0.250 INCHES NOMINAL IN; Color: UNABLE TO DECODE; Special Features: MAX. TEMPERATURE: 170 DEG G; HARDNESS: DUROMETER 70A A; Width: 0.750 INCHES NOMINAL IN. 7 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.