The Chamber,air Brake, cataloged under National Stock Number 2530-01-312-0340, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 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 | 2530-01-312-0340 |
| Primary Part Number | 12357812 |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Line Connection Thread Size and Series/type Designator | 0.375-18 NPTF |
| Stroke Length | 2.000 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 |
|---|---|
| 12357812 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2530-01-312-0340 is a Chamber,air Brake, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-312-0340 has 1 manufacturer part number on file: 12357812 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12357812: Line Connection Thread Size and Series/type Designator: 0.375-18 NPTF; Special Features: AIR PRESS AT INLET PORT 65.0-75.0;CLEVIS STYLE DESIGNATOR:NO.1;SHANK DIA:2.000 IN.;DIA O/A:8.375 IN.;FORK WIDTH:0.562 IN.;DISTANCE FROM PIVOT PIN HOLE CENTER TO ROD CONNECTION END:4.375 IN.;STROKE TYPE:NORMAL WORKING RANGE;MTG FACILITY SIZE:0.625-11 THD SIZE;MTG METHOD:STUD;INLET LOCATION:OFF CENTER;ANGLE FROM BOTTOM OF VERTICAL CENTERLINE IN DEGS:180.0 IN; End Item Identification: 2330-00-133-1731; Stroke Length: 2.000 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.