The O-Ring, cataloged under National Stock Number 5331-01-330-7133, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is W S Darley & Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Minnesota Rubber Co (CAGE 07322); Kovatch Corp. (CAGE 59556); W S Darley & Co (CAGE 15852) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-330-7133 |
| Primary Part Number | 3601600 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | W S Darley & Co |
| 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 |
|---|---|
| AIR-336 | Minnesota Rubber Co (USA) |
| 001740T | Kovatch Corp. (USA) |
| 3601600 PRIMARY | W S Darley & Co (USA) |
| Reference | Meaning |
|---|---|
| G903-28 | 3/9 Design control — primary reference W S Darley & Co |
| Q4336 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-330-7133 is a O-Ring, manufactured by W S Darley & Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-330-7133 has 3 manufacturer part numbers on file: AIR-336 (Minnesota Rubber Co), 001740T (Kovatch Corp.), 3601600 (W S Darley & Co).
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.