The O-Ring, cataloged under National Stock Number 5331-00-070-6521, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kitco Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-00-070-6521 |
| Primary Part Number | G68-93 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kitco Llc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 26.098 INCHES MINIMUM AND 26.278 INCHES MAXIMUM IN |
| 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 |
|---|---|
| G68-93 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| G68-93 PRIMARY | Kitco Llc (USA) |
| G68-93 | Hot-Shot Products Co Inc (USA) |
| G68-93 | The Gund Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| G68-93 | 5/9 Secondary reference Delford Industries, Inc. Dba Delford Industries Inc |
| G68-93 | 5/2 Secondary reference U.S. Government activity |
| G68-93 | 5/9 Secondary reference Dbr Industries, Inc. Dba Dbr Industries Inc |
NSN 5331-00-070-6521 is a O-Ring, manufactured by Kitco Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-070-6521 has 4 manufacturer part numbers on file: G68-93 (Parker-Hannifin Corp Div O-Ring Division), G68-93 (Kitco Llc), G68-93 (Hot-Shot Products Co Inc), G68-93 (The Gund Company, Inc.).
Key specifications for G68-93: Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE. 6 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.