The O-Ring, cataloged under National Stock Number 5331-01-388-8538, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (CAGE 52374); Beemer Precision Inc (CAGE 70901) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-388-8538 |
| Primary Part Number | 01-435-0061-5 ITEM 63 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| 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 |
|---|---|
| 01-435-0061-5 ITEM 63 PRIMARY | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| CM2-216-V14A | Beemer Precision Inc (USA) |
| Reference | Meaning |
|---|---|
| 216-V14A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-388-8538 is a O-Ring, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-388-8538 has 2 manufacturer part numbers on file: 01-435-0061-5 ITEM 63 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), CM2-216-V14A (Beemer Precision 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.