# NSN 4710-01-363-3689: Tube Assembly, Metal

NSN 4710-01-363-3689 (also written 4710013633689; NIIN 01-363-3689) is a tube assembly, metal in Federal Supply Class 4710, Pipe, Tube and Rigid Tubing. 8 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4710-01-363-3689 (4710013633689)
- NIIN: 01-363-3689 (013633689)
- Item name: TUBE ASSEMBLY,METAL
- Federal Supply Class: [FSC 4710 Pipe, Tube and Rigid Tubing](https://nsnexplorer.com/fsc/4710/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGT | WALL THICKNESS | INCHES NOMINAL 0.022 |
| AFQW | MATING END QUANTITY | 2 |
| AGAV | END ITEM IDENTIFICATION | T.O.2J-TF33-4 F.83 I.62 B-52H AIRCRAFT |
| AJFX | END CONNECTION STYLE | — |
| ARJD | DESIGN FORM | PREBENT |
| BBYQ | TUBE OUTSIDE DIAMETER | INCHES NOMINAL 0.250 |
| CRTL | CRITICALITY CODE JUSTIFICATION | SUPP |
| FEAT | SPECIAL FEATURES | 4730-00-203-4745 FERRULE,4730-00-142-2579 NUT & 4730-00-555-0410 TUBE-COUPLING///USED ON:TF33-P-3 & TF33-PW-103 ENGINES ONLY |
| MATT | MATERIAL | TUBING STEEL COMP 321 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | TUBING ASSN STD SINGLE MATERIAL RESPONSE A-S 5576 |
| SUPP | SUPPLEMENTARY FEATURES | DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 443513 | 05813 | KREISLER INDUSTRIAL CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 443513 | 05819 | E.A. PATTEN CO LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 443513 | 21890 | SMITHS TUBULAR SYSTEMS-LACONIA, INC. DIV LEWIS & SAUNDERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 443513 | 33830 | AERO TUBE TECHNOLOGIES, LLC DBA TUBE BENDS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 443513 | 3BLQ5 | TOMCO MACHINING, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 443513 | 4MJR3 | PARTS LIFE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 443513 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 443513 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-26 | [SPE4A222D0002/SPE4AX23F7268](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4710013633689) | TUBE ASSEMBLY, METAL | TOMCO MACHINING, INC. | $16,902.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4710013633689&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4710013633689
- 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/4710-01-363-3689/
JSON: https://nsnexplorer.com/api/nsn/4710-01-363-3689.json