The Washer,flat, cataloged under National Stock Number 5310-00-331-2384, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-331-2384 |
| Primary Part Number | 8168327 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Overall Diameter | 1.641 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.199 INCHES MINIMUM AND 1.209 INCHES MAXIMUM IN |
| Thickness | 0.035 INCHES MINIMUM AND 0.045 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 |
|---|---|
| 8168327 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 2W1AL77-53-40 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Legacy Am&m |
| 144X5 | 5/9 Secondary reference Schneider Electric Usa, Inc. |
NSN 5310-00-331-2384 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-331-2384 has 1 manufacturer part number on file: 8168327 (Us Army Aviation and Missile Command).
Key specifications for 8168327: Overall Diameter: 1.641 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: ALUMINUM ALLOY OVERALL. 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.