The O-Ring, cataloged under National Stock Number 5331-01-662-7398, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Red River Pallets, L.l.c.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-662-7398 |
| Primary Part Number | 156-45220-27 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Red River Pallets, L.l.c. |
| 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 |
|---|---|
| 156-45220-27 | Red River Pallets, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 156-45220-27 | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
NSN 5331-01-662-7398 is a O-Ring, manufactured by Red River Pallets, L.l.c., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-662-7398 has 1 manufacturer part number on file: 156-45220-27 (Red River Pallets, L.l.c.).
Key specifications for 156-45220-27: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: VLV, 8 IN BTT IN. 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.