The Washer,flat, cataloged under National Stock Number 5310-00-682-4689, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-682-4689 |
| Primary Part Number | 8159618 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Center Hole Width | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Center Hole Length | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Overall Diameter | 1.120 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | WOOL OVERALL |
| Center Hole Shape Style | RECTANGULAR |
| Thickness | 0.080 INCHES MINIMUM AND 0.100 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 |
|---|---|
| 8159618 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5310-00-682-4689 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-682-4689 has 1 manufacturer part number on file: 8159618 (Us Army Aviation and Missile Command).
Key specifications for 8159618: Center Hole Width: 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN; Center Hole Length: 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN; Overall Diameter: 1.120 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR. 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.