The O-Ring, cataloged under National Stock Number 5331-01-266-1518, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Tork Systems Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-266-1518 |
| Primary Part Number | 00750-0002/18750-0001 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Tork Systems Inc |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 00750-0002/18750-0001 | Tork Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 00750-18750-0001 | 5/9 Secondary reference Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging |
| 00750-18750 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 00750-0002/18750-0001 | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
NSN 5331-01-266-1518 is a O-Ring, manufactured by Tork Systems Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-266-1518 has 1 manufacturer part number on file: 00750-0002/18750-0001 (Tork Systems Inc).
Key specifications for 00750-0002/18750-0001: Special Features: NBR70 RUBBER COMPOSITION LIS: NBR1052 (RAW MATERIAL): 46.19%; N-550 (RAW MATERIAL): 16.63%; N-774 (RAW MATERIAL): 23.09%; 756 (RAW MATERIAL): 6.93%; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 specification is 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.