Thank you for considering Military Standards Corp part number MS21957-4, a component we stock that is further identified by the NSN 4730-00-618-7568 and product description “Coupling Assembly S.” This item is currently available for purchase on our website today, and you can obtain a tailored quote at any time by completing the form on this page. To help us provide the best solution, please include critical details like your quantity requirements, target pricing, and delivery preferences within the submitted request. Once we receive your form, our team will promptly review provided information and respond with a quote that aligns with your needs.
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Alongside part number MS21957-4, we encourage you to explore other offerings we carry from Military Standards Corp that have been produced under CAGE Code 96906, as well as similar products classified under FSC 4730 Hose Pipe Tube Lubrication and Railing Fittings that may suit your projects. We can help you obtain pricing on all items that you are interested in, securing the most optimal solution for you. We are also happy to discuss any requirements that you may have, presenting specialized options for many restrictions and needs alike. With our services in mind, please submit your request for part number MS21957-4 today and discover why Marine Defence Parts is a trusted partner for naval and defense procurement.
| 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 |
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