The O-Ring, cataloged under National Stock Number 5331-01-528-2403, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Us Company Div Flow Control Division. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-528-2403 |
| Primary Part Number | X00487 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Flowserve Us Company Div Flow Control Division |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| X00487 PRIMARY | Flowserve Us Company Div Flow Control Division (USA) |
| B00062A4 FIG 3 ITEM 5 | Flowserve Us Company Div Flow Control Division (USA) |
NSN 5331-01-528-2403 is a O-Ring, manufactured by Flowserve Us Company Div Flow Control Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-528-2403 has 2 manufacturer part numbers on file: X00487 (Flowserve Us Company Div Flow Control Division), B00062A4 FIG 3 ITEM 5 (Flowserve Us Company Div Flow Control Division).
Key specifications for X00487: End Item Identification: POSITION VALVE ELECTRO-PNEUMATIC, MODEL 5100 I/P TRANSDUCER; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 specification is 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.