# NSN 4730-01-056-5519: Elbow, Tube

NSN 4730-01-056-5519 (also written 4730010565519; NIIN 01-056-5519) is an elbow, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4730-01-056-5519 (4730010565519)
- NIIN: 01-056-5519 (010565519)
- Item name: ELBOW,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 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJD | THREAD CLASS | 3B |
| AHNC | CONNECTION STYLE | — |
| AHSJ | LEG LENGTH | SECOND END INCHES NOMINAL 0.713 |
| AHSJ | LEG LENGTH | FIRST END INCHES MINIMUM 0.719 |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL TUBE |
| AWLS | CONNECTION TYPE | FIRST END THREADED INTERNAL TUBE |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.375 |
| CQRB | SEAT ANGLE | ALL ENDS DEGREES 37.0 |
| CRFY | FLOW ANGLE | DEGREES 90.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 0.188 |
| FEAT | SPECIAL FEATURES | SUPPORTS GRUMMAN A-10 AIRCRAFT |
| MATT | MATERIAL | OVERALL STEEL COMP 4340 OR STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED STD 1ST MATERIAL RESPONSE 66,AISI TO SAE 4340 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5000 |
| MEDA | MEDIA FOR WHICH DESIGNED | SECOND RESPONSE AERONAUTICAL FLUID |
| MEDA | MEDIA FOR WHICH DESIGNED | FIRST RESPONSE HYDRAULIC FLUID |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| D114644 | 88277 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D114644-1 | 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/) |
| D114644-1 | 30974 | AEROFIT, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D114644-1 | 66776 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN / EAGLE PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D114644-1 | 88277 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-17 | [SPE7M526D62DA/SPE7M526F2173](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010565519) | ELBOW, TUBE | — | $68,545.54 |
| 2026-08-14 | [SPE7LX20D0010/SPE7M124F3559](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010565519) | ELBOW, TUBE | APEX PINNACLE CORP | $46,381.98 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730010565519&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010565519
- 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/4730-01-056-5519/
JSON: https://nsnexplorer.com/api/nsn/4730-01-056-5519.json