The O-Ring, cataloged under National Stock Number 5331-00-999-8364, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-999-8364 |
| Primary Part Number | 4D6695 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Temp Rating | -25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 13.189 INCHES MINIMUM AND 13.335 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 12.954 INCHES MINIMUM AND 13.014 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 4D6695 | Hastings Deering (aust) Pty Ltd (AUS) |
| 4D6695 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 4D6695 | William Adams Pty Ltd (AUS) |
| 2-279N951-75 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 4D6695 | Westrac Pty Ltd (AUS) |
NSN 5331-00-999-8364 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-999-8364 has 5 manufacturer part numbers on file: 4D6695 (Hastings Deering (aust) Pty Ltd), 4D6695 (Caterpillar Inc Div Caterpillar Defense), 4D6695 (William Adams Pty Ltd), 2-279N951-75 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 4D6695 (Westrac Pty Ltd).
Key specifications for 4D6695: Temp Rating: -25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 13.189 INCHES MINIMUM AND 13.335 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 7 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.