The Washer,flat, cataloged under National Stock Number 5310-01-394-7409, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division (CAGE 5XH59); Flowserve Corporation Dba Flowserve Us Inc Div Seals (CAGE 3TSY8) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-394-7409 |
| Primary Part Number | IS-1120-5-72 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division |
| 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 |
|---|---|
| IS-1120-5-72 PRIMARY | Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division (USA) |
| 04101976 PRIMARY | Flowserve Corporation Dba Flowserve Us Inc Div Seals (USA) |
| Reference | Meaning |
|---|---|
| IS-1120-5-72 | 5/9 Secondary reference U.S. Government activity |
| IS-1120-5-72 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 04101976 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-394-7409 is a Washer,flat, manufactured by Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-394-7409 has 2 manufacturer part numbers on file: IS-1120-5-72 (Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division), 04101976 (Flowserve Corporation Dba Flowserve Us Inc Div Seals).
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.