# NSN 4730-01-186-3540: Adapter, Straight, Flange To Tube

NSN 4730-01-186-3540 (also written 4730011863540; NIIN 01-186-3540) is an adapter, straight, flange to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4730-01-186-3540 (4730011863540)
- NIIN: 01-186-3540 (011863540)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AECS | BOLT HOLE QUANTITY | 4 |
| AHNC | CONNECTION STYLE | — |
| AKGF | NOMINAL WIDTH | SECOND END INCHES 1.500 |
| AKGG | NOMINAL LENGTH | SECOND END INCHES 1.500 |
| ARKN | FLANGE SHAPE | SECOND END RECTANGULAR WITH HOLES |
| AWLS | CONNECTION TYPE | SECOND END FLANGE |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.563 |
| CWCK | NOMINAL THICKNESS | SECOND END INCHES 0.412 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | SECOND END INCHES 0.220 |
| CWCY | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | SECOND END INCHES 1.062 |
| CWDC | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | SECOND END INCHES 1.062 |
| CWDF | FLANGE FACE DESIGN | SECOND END RECESSED CURVED |
| CWDP | RECESS NOMINAL DIAMETER | SECOND END INCHES 0.451 |
| CWDS | RECESS NOMINAL DEPTH | SECOND END INCHES 0.062 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.375 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.090 |
| FEAT | SPECIAL FEATURES | FLANGE END TAP 10-32 SPECIAL THDS |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNJS |
| ZZZK | SPECIFICATION/STANDARD DATA | MANUFACTURERS SPECIFICATION 43999-L5804803 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | ASSEMBLY 001 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| L5804803 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| L5804803-001 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-09 | $2,430.09 | 8 | 7TT37 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011863540) |
| 2026-09-01 | $2,000.00 | 19 | MANEY AIRCRAFT, INC. DBA MANEY AIRCRAFT | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011863540) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-09 | [SPE7M127V0335](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011863540) | ADAPTER, STRAIGHT, FL | — | $19,440.72 |
| 2026-09-01 | [SPE7M326V4424](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011863540) | ADAPTER, STRAIGHT, FLANGE TO TUBE | MANEY AIRCRAFT, INC. DBA MANEY AIRCRAFT | $38,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730011863540&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011863540
- 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/4730-01-186-3540/
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