The Cylinder Assembly,actuating,line, cataloged under National Stock Number 2530-01-034-8312, 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. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-034-8312 |
| Primary Part Number | 8J7321 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Piston Rod End Similarity | NOT IDENTICAL |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| First Piston Rod End Style | BEARING TYPE |
| Body Material | STEEL |
| Mounting Provision for Which Designed | PIN(S) |
| Bore Diameter | 3.000 INCHES NOMINAL IN |
| Mounting Type and Location | TRUNNION CENTER SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8J7321 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2530-01-034-8312 is a Cylinder Assembly,actuating,line, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-034-8312 has 1 manufacturer part number on file: 8J7321 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 8J7321: Piston Rod End Similarity: NOT IDENTICAL; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER; First Piston Rod End Style: BEARING TYPE; Body Material: STEEL. 7 specifications are documented in the U.S. Government catalog.
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.