# NSN 1630-01-375-0938: Brake, Single Disk

NSN 1630-01-375-0938 (also written 1630013750938; NIIN 01-375-0938) is a brake, single disk in Federal Supply Class 1630, Aircraft Wheel and Brake Systems. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 1630-01-375-0938 (1630013750938)
- NIIN: 01-375-0938 (013750938)
- Item name: BRAKE,SINGLE DISK
- Federal Supply Class: [FSC 1630 Aircraft Wheel and Brake Systems](https://nsnexplorer.com/fsc/1630/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC P: the government does not own the rights to the data needed for more sources. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 7.910 |
| ADAV | OVERALL DIAMETER | INCHES MINIMUM 9.974 AND INCHES MAXIMUM 9.989 |
| AGAV | END ITEM IDENTIFICATION | USED ON AH-64A |
| APHE | OPERATION METHOD | HYDRAULIC |
| AYLJ | BRAKING AREA OUTSIDE DIAMETER | INCHES MINIMUM 8.190 AND INCHES MAXIMUM 8.310 |
| AYLM | LINING CONTACT SURFACE WIDTH | INCHES MINIMUM 1.955 AND INCHES MAXIMUM 1.995 |
| AYLR | ROTATING DISK THICKNESS | INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.210 |
| AYLW | HYDRAULIC CYLINDER QUANTITY | 2 |
| AYLX | HYDRAULIC CYLINDER DIAMETER | INCHES MINIMUM 4.751 AND INCHES MAXIMUM 4.801 |
| AYNS | LINING FRICTION SURFACE AREA | SQUARE INCHES NOMINAL 7.310 |
| AYNY | INSTALLATION LOCATION | LEFT HAND FRONT AND RIGHT HAND FRONT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 030-16802 | 33269 | AIRCRAFT WHEEL AND BRAKE, LLC DBA CLEVELAND WHEEL AND BRAKE SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311221000 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311221000-19 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311221000-19 | 8V613 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-31 | [SPE4A726PF980](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1630013750938) | BRAKE, SINGLE DISK | AIRCRAFT WHEEL AND BRAKE, LLC DBA CLEVELAND WHEEL AND BRAKE SYSTEMS | $295,200.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1630013750938&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1630013750938
- 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/1630-01-375-0938/
JSON: https://nsnexplorer.com/api/nsn/1630-01-375-0938.json