The O-Ring, cataloged under National Stock Number 5331-01-456-6655, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The O-Ring Store Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-456-6655 |
| Primary Part Number | E65243-5714-65 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The O-Ring Store Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | MIL-G-22050,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 4.081 INCHES MINIMUM AND 4.137 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| 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 |
|---|---|
| M22050-1-243 | Dbr Industries, Inc. Dba Dbr Industries Inc (USA) |
| E65243-5714-65 PRIMARY | The O-Ring Store Llc (USA) |
| Reference | Meaning |
|---|---|
| M22050-1-243 | 5/9 Secondary reference U.S. Government activity |
| MIL-G-22050GRADE1SIZEAS568-243 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-22050 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-456-6655 is a O-Ring, manufactured by The O-Ring Store Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-456-6655 has 2 manufacturer part numbers on file: M22050-1-243 (Dbr Industries, Inc. Dba Dbr Industries Inc), E65243-5714-65 (The O-Ring Store Llc).
Key specifications for E65243-5714-65: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: MIL-G-22050,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: SHELF LIFE IS W. 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.