The O-Ring, cataloged under National Stock Number 5331-01-188-0896, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cfm International Inc Dba Cfm International. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-188-0896 |
| Primary Part Number | J221P914 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cfm International Inc Dba Cfm International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-83248, TYPE I, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Color | BLACK |
| Center Hole Diameter | 1.037 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| J221P914 PRIMARY | Cfm International Inc Dba Cfm International (USA) |
| Reference | Meaning |
|---|---|
| 649-393-914-0 | 5/9 Secondary reference Cfm International Inc Dba Cfm International |
| 649-393-914-0 | 5/9 Secondary reference Lilov Precision Machine |
NSN 5331-01-188-0896 is a O-Ring, manufactured by Cfm International Inc Dba Cfm International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-188-0896 has 1 manufacturer part number on file: J221P914 (Cfm International Inc Dba Cfm International).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-335-5300. Verify interchangeability with system specifications before substitution.
Key specifications for J221P914: Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-83248, TYPE I, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE; Color: BLACK; Special Features: 75 DUROMETER, LOW COMPRESSION SET. 5 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.