Thank you for taking an interest in our selection of 4730-00-618-7568 parts here on Boost AOG. You are currently on the RFQ form for part number MS21957-4, a Military Standards Corp product listed with the Coupling Assembly S If part number MS21957-4 catches your eye, be sure to use our online RFQ service to request quotes, with customized responses provided within 15 minutes of us receiving and reviewing a completed submission.
Note : We Will Not Share Your Information To Any Third Parties.
To ensure the quality of our NSN components, we adhere to a strict NO CHINA SOURCING pledge, meaning every purchased item will be delivered alongside any pertinent qualifying certifications or manufacturing trace documentation for your benefit. Paired with numerous other commitments, we proudly operate with AS9120B, ISO 9001:2015, and FAA AC 00-56B accreditation. If you happen to be facing a time constraint and require NSN parts quickly, contact us at your earliest convenience, and we will discuss the expedited shipping options we have available for domestic and international customers alike. With our various dedications in mind, kick off procurement for Military Standards Corp part number MS21957-4 and other Coupling Assembly S products today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4730-00-618-7568 Item PartTypeName: COUPLING ASSEMBLY,SELF-SEALING | 4730 | 006187568 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| MS21957-4 | 5 | 2 | 2 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A FIRST QUICK DISCONNECT END |
| ABHP | OVERALL LENGTH | 2.751 INCHES NOMINAL |
| ADLK | FIRST LEG LENGTH | 1.048 INCHES NOMINAL |
| ADLL | SECOND LEG LENGTH | 0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AHNC | CONNECTION STYLE | BEADED SECOND QUICK DISCONNECT END |
| AHNC | CONNECTION STYLE | FLARED FIRST QUICK DISCONNECT END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST QUICK DISCONNECT END |
| AWLS | CONNECTION TYPE | UNTHREADED EXTERNAL HOSE SECOND QUICK DISCONNECT END |
| CBBL | FEATURES PROVIDED | SELF-SEALING |
| CQBB | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 180.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES FIRST QUICK DISCONNECT END |
| CQRB | SEAT ANGLE | 37.0 DEGREES |
| CWDW | NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED | 0.375 INCHES SECOND QUICK DISCONNECT END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES FIRST QUICK DISCONNECT END |
| FEAT | SPECIAL FEATURES | BULKHEAD THREADS ON FLUID CONNECTION END |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| SFTT | SURFACE TREATMENT | ANODIZE BODY |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| STYL | STYLE DESIGNATOR | COUPLING ASSEMBLY |
| THSD | THREAD SERIES DESIGNATOR | UNF FIRST QUICK DISCONNECT END |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
Request for Quote
