The O-Ring, cataloged under National Stock Number 5331-01-171-6301, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (CAGE KCUC6); Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (CAGE 4P412); Ams Instrumentation & Control Limited (CAGE K3303) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-171-6301 |
| Primary Part Number | Y325-214 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| 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 |
|---|---|
| 40083693 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
| Y325-214 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| Y325-214 | Ams Instrumentation & Control Limited (GBR) |
| Reference | Meaning |
|---|---|
| Y325-214 | 3/9 Design control — primary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
| Y125-19 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 5331-01-171-6301 is a O-Ring, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-171-6301 has 3 manufacturer part numbers on file: 40083693 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), Y325-214 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division), Y325-214 (Ams Instrumentation & Control Limited).
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.