The Chamber,air Brake, cataloged under National Stock Number 2530-01-644-8995, 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 Knorr- Bremse Australia Pty Ltd. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-644-8995 |
| Primary Part Number | 1012009 |
| Item Name | Chamber,air Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Knorr- Bremse Australia Pty Ltd |
| Status | ACTIVE |
| Line Connection Thread Size and Series/type Designator | 0.3750-18 NPTF |
| Stroke Length | 1.750 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 |
|---|---|
| 1012009 | Knorr- Bremse Australia Pty Ltd (AUS) |
| 5554-1012009 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| Reference | Meaning |
|---|---|
| 1012009 | 3/9 Design control — primary reference Meritor Specialty Products Llc |
| F55541012009 | 5/9 Secondary reference Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales |
NSN 2530-01-644-8995 is a Chamber,air Brake, manufactured by Knorr- Bremse Australia Pty Ltd, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-644-8995 has 2 manufacturer part numbers on file: 1012009 (Knorr- Bremse Australia Pty Ltd), 5554-1012009 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales).
Key specifications for 1012009: Line Connection Thread Size and Series/type Designator: 0.3750-18 NPTF; Part Name Assigned by Controlling Agency: CHAMBER, AIRBRAKE, FRONT AXLE; Stroke Length: 1.750 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.