# NSN 4730-00-277-5020: Tee, Tube To Boss

NSN 4730-00-277-5020 (also written 4730002775020; NIIN 00-277-5020) is a tee, tube to boss in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 10 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-00-277-5020 (4730002775020)
- NIIN: 00-277-5020 (002775020)
- Item name: TEE,TUBE TO BOSS
- 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 T: handled under qualified products list procedures. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.750 |
| AAJD | THREAD CLASS | 3A |
| THSD | THREAD SERIES DESIGNATOR | THIRD END BULKHEAD UNIFIED NATIONAL JOINT FINE (UNJF) |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT STANDARD 88044-AN834 |
| FEAT | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| MATT | MATERIAL | OVERALL STEEL |
| AGAV | END ITEM IDENTIFICATION | SUPPORT EQUIPMENT, F-111 AIRCRAFT, F-16 (FIGHTING FALCON) |
| CQRB | SEAT ANGLE | ALL ENDS DEGREES 37.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 0.500 |
| AHSJ | LEG LENGTH | THIRD END INCHES NOMINAL 2.094 |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED EXTERNAL TUBE |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |
| AHNC | CONNECTION STYLE | — |
| AHSJ | LEG LENGTH | FIRST END INCHES NOMINAL 1.344 |
| AHSJ | LEG LENGTH | SECOND END INCHES NOMINAL 1.344 |
| CQJX | NOMINAL THREAD SIZE | THIRD END BULKHEAD INCHES 0.750 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 8169349 | 18876 | US ARMY AVIATION AND MISSILE COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A8415-12 | 96787 | STEWART AVIONICS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AN830-8 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AN834-8 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1039 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1039-080808 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1039-080808 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1039D | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS1039D | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAE-AS4841 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730002775020&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730002775020
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/4730-00-277-5020/
JSON: https://nsnexplorer.com/api/nsn/4730-00-277-5020.json