The O-Ring, cataloged under National Stock Number 5331-01-155-9640, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is C & H Machine Inc Dba Support Equipment Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | C & H Machine Inc Dba Support Equipment Inc. (CAGE 53887) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-155-9640 |
| Primary Part Number | 9-7025 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | C & H Machine Inc Dba Support Equipment Inc. |
| 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 |
|---|---|
| 9-7025 PRIMARY | C & H Machine Inc Dba Support Equipment Inc. (USA) |
NSN 5331-01-155-9640 is a O-Ring, manufactured by C & H Machine Inc Dba Support Equipment Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-155-9640 has 1 manufacturer part number on file: 9-7025 (C & H Machine Inc Dba Support Equipment 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.