# NSN 4730-01-611-2691: Tee, Pipe To Tube

NSN 4730-01-611-2691 (also written 4730016112691; NIIN 01-611-2691) is a tee, pipe to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4730-01-611-2691 (4730016112691)
- NIIN: 01-611-2691 (016112691)
- Item name: TEE,PIPE 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 Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| TMQY | FURNISHED ITEMS AND QUANTITY | SHORT COUPLING NUT 2 AND COUPLING SLEEVE 4 |
| AHSJ | LEG LENGTH | ALL ENDS INCHES NOMINAL 0.875 |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UNF |
| THSD | THREAD SERIES DESIGNATOR | THIRD END NPT |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | THIRD END INCHES 0.250 |
| AAJD | THREAD CLASS | 3A |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 125.0 |
| AHNC | CONNECTION STYLE | — |
| MATT | MATERIAL | OVERALL STEEL COMP 316 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763 |
| AWLS | CONNECTION TYPE | THIRD END THREADED INTERNAL PIPE |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.438 |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.438 |
| CQJX | NOMINAL THREAD SIZE | THIRD END INCHES 0.250 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 5000.0 |
| CQRB | SEAT ANGLE | SECOND END DEGREES 20.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.250 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | SECOND END INCHES 0.250 |
| FEAT | SPECIAL FEATURES | TUBE FITTINGS ARE BORED THRU |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE OXYGEN, LIQUID |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| SS-400-3-4TTF-BT | 3T9T9 | SWAGELOK CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-11 | [SPE7M226V4735](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730016112691) | TEE, PIPE TO TUBE | III WILLIAMS LLC | $3,373.92 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730016112691&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730016112691
- 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/4730-01-611-2691/
JSON: https://nsnexplorer.com/api/nsn/4730-01-611-2691.json