# NSN 4730-00-277-1530: Coupling, Tube

NSN 4730-00-277-1530 (also written 4730002771530; NIIN 00-277-1530) is a coupling, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 21 manufacturer part numbers from 12 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-00-277-1530 (4730002771530)
- NIIN: 00-277-1530 (002771530)
- Item name: COUPLING,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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AWLS | CONNECTION TYPE | FIRST END THREADED INTERNAL TUBE |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| MATT | MATERIAL | OVERALL TITANIUM ALLOY |
| AWLS | CONNECTION TYPE | SECOND END UNTHREADED INTERNAL TUBE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 4965,6AL-4V |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 1.000 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.444 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT (UNJ) |
| AHNC | CONNECTION STYLE | — |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| AGAV | END ITEM IDENTIFICATION | F-18 AND F-16 AIRCRAFT |
| CQRB | SEAT ANGLE | FIRST END DEGREES 8.5 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 0.750 |
| AAJD | THREAD CLASS | 3B |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 07A069-12 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 10108311 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4730PL0638083 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4730PL1633792 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4730PL1633796 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7M523 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7M523T12 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AE16170-12 | 00624 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AE16825-12 | 00624 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AP442T12 | 01673 | SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AP6574T12 | 01673 | SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C7567-12 | 01673 | SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C7567-12 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GF503BH12 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| JCM-11495-015 | 58905 | STRIKE WEAPONS AND UNMANNED AVIATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LE273-0030 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LE273-0030-0004 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MR54040T-12 | 50599 | PARKER-HANNIFIN CORPORATION DIV STRATOFLEX PRODUCT DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MR54047T-12 | 50599 | PARKER-HANNIFIN CORPORATION DIV STRATOFLEX PRODUCT DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST7M201T12 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TF442T12 | 78570 | SMITHS TUBULAR SYSTEMS-LACONIA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M4-27-T-0623 | 162 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730002771530&category=nsn) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE7M126V156V](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730002771530) | COUPLING, TUBE | — | $20,864.76 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730002771530&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730002771530
- 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.

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