# NSN 5640-01-368-4621: Insulation Block, Thermal

NSN 5640-01-368-4621 (also written 5640013684621; NIIN 01-368-4621) is an insulation block, thermal in Federal Supply Class 5640, Wallboard, Building Paper, and Thermal Insulation Materials. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5640-01-368-4621 (5640013684621)
- NIIN: 01-368-4621 (013684621)
- Item name: INSULATION BLOCK,THERMAL
- Federal Supply Class: [FSC 5640 Wallboard, Building Paper, and Thermal Insulation Materials](https://nsnexplorer.com/fsc/5640/)
- Federal Supply Group: [FSG 56](https://nsnexplorer.com/group/56/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 61.750 |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 15.500 |
| ADUM | OVERALL THICKNESS | INCHES MINIMUM 0.770 AND INCHES MAXIMUM 0.780 |
| MATT | MATERIAL | LOCATION NOT OTHERWISE SPECIFIED RUBBER SYNTHETIC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12367415 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-21 | [SPE8E627V0175](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5640013684621) | INSULATION BLOCK, THERMAL | BASIC RUBBER AND PLASTICS CO. | $828.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5640013684621&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5640013684621
- 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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