The O-Ring, cataloged under National Stock Number 5331-01-555-3905, 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 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-555-3905 |
| Primary Part Number | 228-4947 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Temp Rating | -40.0 CELSIUS AND -175.0 CELSIUS DEGC |
| Cross-Sectional Height | 2.62 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 13.94 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 228-4947 | William Adams Pty Ltd (AUS) |
| 228-4947 | Hastings Deering (aust) Pty Ltd (AUS) |
| 228-4947 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 228-4947 | Finning (uk) Ltd (GBR) |
| 228-4947 | Westrac Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 10322284 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7KK658 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 7KK658 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-555-3905 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-555-3905 has 5 manufacturer part numbers on file: 228-4947 (William Adams Pty Ltd), 228-4947 (Hastings Deering (aust) Pty Ltd), 228-4947 (Caterpillar Inc Div Caterpillar Defense), 228-4947 (Finning (uk) Ltd), 228-4947 (Westrac Equipment Pty Ltd).
Key specifications for 228-4947: Temp Rating: -40.0 CELSIUS AND -175.0 CELSIUS DEGC; Cross-Sectional Height: 2.62 MILLIMETERS NOMINAL MM; Center Hole Diameter: 13.94 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: O-RING. 4 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.