The Washer,flat, cataloged under National Stock Number 5310-01-391-9339, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Alfred Conhagen, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Alfred Conhagen, Inc. (CAGE 71639) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-391-9339 |
| Primary Part Number | WA-1609 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Alfred Conhagen, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| WA-1609 PRIMARY | Alfred Conhagen, Inc. (USA) |
| Reference | Meaning |
|---|---|
| WA-1609VM | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AA-2551-8 | 3/9 Design control — primary reference Alfred Conhagen, Inc. |
| AA-2010-7 | C/1 Advisory reference — outside the item-of-supply concept Alfred Conhagen, Inc. |
NSN 5310-01-391-9339 is a Washer,flat, manufactured by Alfred Conhagen, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-391-9339 has 1 manufacturer part number on file: WA-1609 (Alfred Conhagen, Inc.).
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.