The Seal Assembly, cataloged under National Stock Number 2530-01-183-2610, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal Assembly |
| FSC / FSG | 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components (FSG 25) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Defense Maritime Solutions, Inc. (CAGE 0EYA6); John Crane, Inc (CAGE 71724) |
| Parameter | Value |
|---|---|
| NSN | 2530-01-183-2610 |
| Primary Part Number | 1320704 |
| Item Name | Seal Assembly |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 1320704 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| AD-SP-2078 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| AD-SP-2078 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 804702-E | 5/9 Secondary reference Cr Industries Chicago Rawhide Mfg Co |
| AD-SP-2078 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 2530-01-183-2610 is a Seal Assembly, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-183-2610 has 3 manufacturer part numbers on file: 1320704 (Caterpillar Inc Div Caterpillar Defense), AD-SP-2078 (Defense Maritime Solutions, Inc.), AD-SP-2078 (John Crane, Inc).
Possible hazard — SDS may be required (DLA HMIC P). 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.