The O-Ring, cataloged under National Stock Number 5331-01-631-8026, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-631-8026 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| 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 |
| Reference | Meaning |
|---|---|
| N0014000115 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-631-8026 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-631-8026: Special Features: THIS IS THE VALVE SEAT O-RING SEAL FOR THE SMALL CAPACITY POLE MOUNT AIR DRYER MODEL PM-2400. IT IS LISTED IN THE RADIODETECTION OPERATION MANUAL IB-352, REV G, PAGE 11, ITEM 9. THERE ARE 2 PER SYSTEM. THE MODEL PM-2400 IS USED ON ALL CARSR RADAR SYSTEMS THAT WERE ORIGINALLY ARSR-3 AND ANFPS RADAR SYSTEMS; End Item Identification: COMMON AIR ROUTE SURV RADAR (CARSR). 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.