The O-Ring, cataloged under National Stock Number 5331-01-093-5011, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Clariant Corp Div Clariant Corporation. Government technical data includes 2 specifications, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-093-5011 |
| Primary Part Number | 2156-3 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Clariant Corp Div Clariant Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.812 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| 2156-3 PRIMARY | Clariant Corp Div Clariant Corporation (USA) |
NSN 5331-01-093-5011 is a O-Ring, manufactured by Clariant Corp Div Clariant Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-093-5011 has 1 manufacturer part number on file: 2156-3 (Clariant Corp Div Clariant Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-097-8067, 3010-01-362-5458. Verify interchangeability with system specifications before substitution.
Key specifications for 2156-3: Cross-Sectional Height: 0.812 INCHES NOMINAL IN; Material: RUBBER. 2 specifications are 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.