The O-Ring, cataloged under National Stock Number 5331-01-583-6439, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Independent Rough Terrain Center Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-583-6439 |
| Primary Part Number | 923899.0630 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Independent Rough Terrain Center Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 923899.0630 PRIMARY | Independent Rough Terrain Center Llc (USA) |
| 923899.063 | Kalmar Equipment (australia) Pty Ltd (AUS) |
| CV131123 | Tvs Supply Chain Solutions Limited (GBR) |
| 923899.0630 | Tvs Supply Chain Solutions Limited (GBR) |
NSN 5331-01-583-6439 is a O-Ring, manufactured by Independent Rough Terrain Center Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-583-6439 has 4 manufacturer part numbers on file: 923899.0630 (Independent Rough Terrain Center Llc), 923899.063 (Kalmar Equipment (australia) Pty Ltd), CV131123 (Tvs Supply Chain Solutions Limited), 923899.0630 (Tvs Supply Chain Solutions Limited).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-589-0030. Verify interchangeability with system specifications before substitution.
Key specifications for 923899.0630: End Item Identification: TIRE MOUNT FOR RT-240 ROUGH TERRAIN CONTAINER HANDLER. 0 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.