# NSN 4730-00-706-1581: Adapter, Straight, Flange To Tube

NSN 4730-00-706-1581 (also written 4730007061581; NIIN 00-706-1581) is an adapter, straight, flange to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4730-00-706-1581 (4730007061581)
- NIIN: 00-706-1581 (007061581)
- Item name: ADAPTER,STRAIGHT,FLANGE TO TUBE
- Federal Supply Class: [FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings](https://nsnexplorer.com/fsc/4730/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| ARKN | FLANGE SHAPE | SECOND END ROUND WITH HOLES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-268 |
| AWLS | CONNECTION TYPE | SECOND END FLANGE |
| AHNC | CONNECTION STYLE | — |
| AAJD | THREAD CLASS | 2A |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.562 |
| CQRB | SEAT ANGLE | FIRST END DEGREES 37.0 |
| CWCD | NOMINAL OUTSIDE DIAMETER | SECOND END INCHES 1.688 |
| CWCK | NOMINAL THICKNESS | SECOND END INCHES 0.172 |
| AECS | BOLT HOLE QUANTITY | 8 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | SECOND END INCHES 0.156 |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY |
| CWDF | FLANGE FACE DESIGN | SECOND END PLAIN |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.375 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | SECOND END INCHES 1.188 |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 0.969 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AFP425-6-3 | 30974 | AEROFIT, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACF22H6-3 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-31 | [SPE7M326V4388](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730007061581) | ADAPTER, STRAIGHT, FLANGE TO TUBE | — | $8,723.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730007061581&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730007061581
- 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/4730-00-706-1581/
JSON: https://nsnexplorer.com/api/nsn/4730-00-706-1581.json