Thank you for considering Lockheed Martin Corporation part number 749939-103, an item we carry that is listed with the NSN 4820-00-353-7642 and product description “Valve Check.” This component is available for purchase through our website at this time, so complete the Request for Quote (RFQ) form provided below if you would like to receive pricing information for your comparisons. Simply offer our staff details like your desired quantity, budget, and delivery timeline to help us craft the best solution for your needs.
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We aim to make the process of locating and procuring exact items simple, which is why we feature key listing details with every offering. For example, part number 749939-103 was specifically produced by Lockheed Martin Corporation under CAGE Code 98897, and with the NSN 4820-00-353-7642, it belongs to FSC 4820 Valves Nonpowered. Additionally, all stock comes delivered with any applicable qualifying certifications or manufacturer trace documentation for your further benefit. With all of this in mind, be sure to submit a request for part number 749939-103 today, knowing we will be in touch shortly after reviewing your information.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-353-7642 Item PartTypeName: VALVE,CHECK | 4820 | 003537642 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 749939 | C | 2 | 1 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 4 1ST END |
| AECS | BOLT HOLE QUANTITY | 4 2ND END |
| AKGF | NOMINAL WIDTH | 3.885 INCHES 2ND END |
| AKGF | NOMINAL WIDTH | 4.010 INCHES 1ST END |
| AKGG | NOMINAL LENGTH | 4.010 INCHES 1ST END |
| AKGG | NOMINAL LENGTH | 4.010 INCHES 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | RECTANGULAR WITH HOLES 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 2ND END |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 120.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCF | FACE TO FACE DISTANCE | 3.865 INCHES |
| CWCK | NOMINAL THICKNESS | 0.185 INCHES 1ST END |
| CWCK | NOMINAL THICKNESS | 0.185 INCHES 2ND END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.265 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.265 INCHES 2ND END |
| CWCY | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.250 INCHES 1ST END |
| CWCY | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.250 INCHES 2ND END |
| CWDC | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 3.250 INCHES 1ST END |
| CWDF | FLANGE FACE DESIGN | PLAIN 1ST END |
| CWDF | FLANGE FACE DESIGN | PLAIN 2ND END |
| MATT | MATERIAL | ALUMINUM ALLOY 384.0 OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
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