The Sleeve,sliding,mechanical Transm, cataloged under National Stock Number 2520-01-433-2598, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-433-2598 |
| Primary Part Number | N1959 |
| Item Name | Sleeve,sliding,mechanical Transm |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| Status | ACTIVE |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 970-1356 PC 25 | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
| N1959 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
| Reference | Meaning |
|---|---|
| 970-1356 | D/9 Drawing number reference only Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
NSN 2520-01-433-2598 is a Sleeve,sliding,mechanical Transm, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-433-2598 has 2 manufacturer part numbers on file: 970-1356 PC 25 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division), N1959 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).
Key specifications for N1959: Overall Diameter: 2.500 INCHES NOMINAL IN; Overall Length: 12.188 INCHES NOMINAL IN; End Item Identification: LOS ANGELES CLASS SSN (688); Material: COPPER ALLOY. 2 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.