# NSN 2530-01-731-1189: Chamber, Air Brake

NSN 2530-01-731-1189 (also written 2530017311189; NIIN 01-731-1189) is a chamber, air brake in Federal Supply Class 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2530-01-731-1189 (2530017311189)
- NIIN: 01-731-1189 (017311189)
- Item name: CHAMBER,AIR BRAKE
- Federal Supply Class: [FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components](https://nsnexplorer.com/fsc/2530/)
- Federal Supply Group: [FSG 25](https://nsnexplorer.com/group/25/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABED | DIAPHRAGM QUANTITY | 1 |
| ABFM | PUSH ROD THREAD SIZE AND SERIES/TYPE DESIGNATOR | UNF 0.625-18 |
| AFZC | FUNCTION FOR WHICH DESIGNED | SERVICE BRAKING |
| AGAV | END ITEM IDENTIFICATION | TRAILER, LOWBED HYD 60T |
| AWXF | STROKE LENGTH | INCHES 2.25 |
| AZEF | LINE CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR | NPTF 0.375-18 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SERVICE CHAMBER BRAKE |
| CXLH | PUSH ROD LENGTH | INCHES 10.20 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| SC20 | 06721 | HALDEX BRAKE PRODUCTS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-24 | $59.44 | 5 | 6DV08 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189) |
| 2026-09-02 | $65.00 | 4 | WINDWARD ENTERPRISES, LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189) |
| 2026-08-25 | $267.00 | 1 | PATTERSON COONEY INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7L326P5925](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189) | CHAMBER, AIR BRAKE | — | $297.20 |
| 2026-09-02 | [SPE7L126V212D](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189) | CHAMBER, AIR BRAKE | WINDWARD ENTERPRISES, LLC | $260.00 |
| 2026-08-25 | [SPE7L126V187L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189) | CHAMBER, AIR BRAKE | PATTERSON COONEY INC | $267.00 |
| 2026-08-25 | [SPE7L126V187L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189) | CHAMBER, AIR BRAKE | PATTERSON COONEY INC | $267.00 |
| 2026-08-25 | [SPE7L126V187L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189) | CHAMBER, AIR BRAKE | PATTERSON COONEY INC | $267.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2530017311189&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2530017311189
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/2530-01-731-1189/
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