The O-Ring, cataloged under National Stock Number 5331-01-158-6440, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Troy 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-158-6440 |
| Primary Part Number | 801-087-009 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Meggitt Troy Inc |
| Status | ACTIVE |
| Center Hole Diameter | 1.239 INCHES NOMINAL IN |
| 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 |
|---|---|
| 801-087-009 PRIMARY | Meggitt Troy Inc (USA) |
| Reference | Meaning |
|---|---|
| 801-087-009SR | 5/9 Secondary reference Meggitt Troy Inc |
NSN 5331-01-158-6440 is a O-Ring, manufactured by Meggitt Troy Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-158-6440 has 1 manufacturer part number on file: 801-087-009 (Meggitt Troy Inc).
Key specifications for 801-087-009: Special Features: PACKING .070W X 1.239 INTERNAL DIAMETER W; Center Hole Diameter: 1.239 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: 0 RING. 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.