We've received your request for EPA21000-257 (described as Thread Piece Union), manufactured by Dcns Services Brest with CAGE code F3014. This part is registered under NSN 4730-00-554-9879, classified in FSG 47 Pipe Tubing Hose and Fittings / FSC 4730 Hose Pipe Tube Lubrication and Railing Fittings. Our verification process will confirm traceability through supporting identifiers including NIIN 00-554-9879, NCB code 00 (origin: USA), and INC 04141. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your EPA21000-257 requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
How to Begin the Quotation Process
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4730-00-554-9879 Item PartTypeName: THREAD PIECE,UNION | 4730 | 005549879 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| A316215-1 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABHP | OVERALL LENGTH | 1.563 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 1/4-18 |
| AJYP | SCREW THREAD SERIES DESIGNATOR | NPSM |
| ALME | MATERIAL HARDNESS RATING | 92.0 ROCKWELL B MINIMUM AND 98.0 ROCKWELL B MAXIMUM |
| AWZY | END CONNECTION TYPE | THREADED |
| BBMM | SCREW THREAD LOCATION | EXTERNAL |
| BYJF | SEAT TYPE | STRAIGHT FACE |
| CDPG | WORKING PRESSURE AND SERVICE TYPE | 4000.0 POUNDS PER SQUARE INCH NOMINAL WATER |
| CGND | UNION END THREAD SIZE | 1-3/16IN-12 |
| CGNF | UNION END SCREW THREAD SERIES DESIGNATOR | UN |
| CGNG | UNION END THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 4130 |
| End Use : 50010 | Aircraft launching gear, parachutes, etc. |
|---|---|
| Schedule B : 8805100000 (NAICS 336413) | Aircraft launching gear and parts thereof; deck-arrestor or similar gear and parts thereof |
| SITC : 79283 | Aircraft launching gear; deck-arrestor or similar gear; ground flying trainers; parts thereof |
| ADPE | Represents items with no adp components |
|---|---|
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | A - Item does not contain precious metal. |
| AAC | D |
|---|---|
| Classification Control | U |
| MGMT_CTL | 9bey--- |
| Quantity per pack | 1 |
| Repariability | |
| Shelf Life | N/A |
| SOS | Sms |
| Unit of Measure | Ea |
| ACC: | A - Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft |
|---|---|
| ADC: | A - Shipment is not a consolidation and does not exceed 84 inches in any dimension. |
| LTL: | W - Rating variable |
| NMFC: | 011790 - Aircraft parts noi |
| SHC: | 9 - Other or no special handling required (sh) |
| TCC: | Z - No special type of cargo code applicable |
| WCC: | 671 - Aircraft parts, to include test/tool sets and equipment (other than armament systems) |
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Don’t forget That We offer 24/7 Service, Competitive Prices, and Fast Deliveries. We Hope You'll Make Us Your One-Stop Purchasing Solution!
Request for Quote