The Chamber,air Brake, cataloged under National Stock Number 2530-01-273-3395, 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 Longwood Elastomers Inc Affil of Longwood Industries. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2530-01-273-3395 |
| Primary Part Number | KSM30750C-175NN |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Longwood Elastomers Inc Affil of Longwood Industries |
| Status | ACTIVE |
| Line Connection Thread Size and Series/type Designator | 0.375-18 NPT |
| Stroke Length | 2.625 INCHES IN |
| 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 |
|---|---|
| KSM30750C-175NN PRIMARY | Longwood Elastomers Inc Affil of Longwood Industries (USA) |
| KSM30750C-175NN | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| KSM3075DC-175NN | C/1 Advisory reference — outside the item-of-supply concept Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 2530-01-273-3395 is a Chamber,air Brake, manufactured by Longwood Elastomers Inc Affil of Longwood Industries, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-273-3395 has 2 manufacturer part numbers on file: KSM30750C-175NN (Longwood Elastomers Inc Affil of Longwood Industries), KSM30750C-175NN (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for KSM30750C-175NN: Line Connection Thread Size and Series/type Designator: 0.375-18 NPT; Special Features: DIA O/A:8.203 IN.;MTG CONFIGURATION:EQUALLY SPACED ON 4.750 IN.DIA BOLT CIRCLE;STROKE TYPE:NORMAL WORKING RANGE;MTG FACILITY SIZE:0.625 IN.;MTG METHOD:STUD;INLET LOCATION:OFF CENTER;ANGLE FROM BOTTOM OF VERTICAL CENTERLINE IN DEGS:25.0;ROD END DISTANCE O/A:1.750 IN. IN; Stroke Length: 2.625 INCHES IN. 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.