# NSN 6635-01-609-4427: Reference Standard, Physical Prop

NSN 6635-01-609-4427 (also written 6635016094427; NIIN 01-609-4427) is a reference standard, physical prop in Federal Supply Class 6635, Physical Properties Testing and Inspection Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 6635-01-609-4427 (6635016094427)
- NIIN: 01-609-4427 (016094427)
- Item name: REFERENCE STANDARD,PHYSICAL PROP
- Federal Supply Class: [FSC 6635 Physical Properties Testing and Inspection Equipment](https://nsnexplorer.com/fsc/6635/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | GENERAL SPT |
| MATT | MATERIAL | ALUMINUM |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 99073 | 51294 | UNITED WESTERN TECHNOLOGIES CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-02 | $4,295.00 | 1 | UNITED WESTERN TECHNOLOGIES CORP. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6635016094427) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-02 | [SPE4A527V0017](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6635016094427) | REFERENCE STANDARD, PHYSICAL PROPERTIES | UNITED WESTERN TECHNOLOGIES CORP. | $4,295.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6635016094427&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6635016094427
- 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/6635-01-609-4427/
JSON: https://nsnexplorer.com/api/nsn/6635-01-609-4427.json