# NSN 1630-01-721-6733: Piston Insulator, Thermal, Brake

NSN 1630-01-721-6733 (also written 1630017216733; NIIN 01-721-6733) is a piston insulator, thermal, brake in Federal Supply Class 1630, Aircraft Wheel and Brake Systems. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 1630-01-721-6733 (1630017216733)
- NIIN: 01-721-6733 (017216733)
- Item name: PISTON INSULATOR,THERMAL,BRAKE
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | B-52 AIRCRAFT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | INSULATOR ASSEMBLY-PISTON |
| FEAT | SPECIAL FEATURES | MATERIAL:CORROSION RESISTANT STEEL;NHA 107-574 USED ON 2-1812 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 437-111 | 97153 | GOODRICH CORPORATION DIV COLLINS AEROSPACE, LANDING SYSTEMS (WHEELS & BRAKES) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 437F111 | 97153 | GOODRICH CORPORATION DIV COLLINS AEROSPACE, LANDING SYSTEMS (WHEELS & BRAKES) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-17 | [SPE4A526P7938](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1630017216733) | PISTON INSULATOR, TH | GOODRICH CORPORATION DIV COLLINS AEROSPACE, LANDING SYSTEMS (WHEELS & BRAKES) | $90,183.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1630017216733&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1630017216733
- 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.

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