At Jet Force Aero, we provide a comprehensive catalog of parts organized under the NSN 4820-01-487-8174, all of which are premium Stem Support Valve components stocked from trusted manufacturers. All items featured on our page are listed with crucial details like part numbers, descriptions, and manufacturers for seamless identification. Everything listed is also readily available for purchase, where you can request a quick quote by clicking on the "RFQ" button next to any part of interest and filling out the form you are forwarded to. Our dedicated team will always review your request quickly, ensuring fast and reliable responses to support your procurement process.
What Our NSN 4820-01-487-8174 Catalog Features
| Item Name | Stem Support Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-487-8174 (014878174) |
| NCB Code | USA (01) |
| Manufacturer | Huntington Ingalls Incorporated |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 254844 | huntington ingalls incorporated | stem support valve | 43689 | RFQ |
| 254844 PC 5 | huntington ingalls incorporated | stem support valve | 43689 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | NEXT HIGHER ASSEMBLY P/N 254844, MANIFOLD 3/4 STOP CHECK DISTILLING SYSTEM. |
| MRC | Decoded Requirement | Clear Text Reply |
| TEXT | General Characteristics Item Description | MATERIAL IS FEDERAL SPEC QQ-B-637A CUNI NO. 484 1/2 HARD. INNER DIAMETER 0.766 INCH. ONE NOTCH ON OUTSIDE DIAMETER IS 0.203 INCH WIDE BY 0.219 INCH DEEP. |
| ADAV | Overall Diameter | 2.250 INCHES NOMINAL |
| AGAV | End Item Identification | USED ON SSN 688 WITHOUT CHANGE FROM THE MANIFOLD USED ON SSN 837. FURTHER SHOCK QUALIFICATION NOT REQUIRED. |
| MATT | Material | COPPER ALLOY |
| ABKW | Overall Height | 0.188 INCHES NOMINAL |
| Relevant Components for NSN - 4820-01-487-8174, 4820014878174 | ||||
| 4820-01-131-7703 (4820011317703) | 4820-01-377-3883 (4820013773883) | 4810-01-267-2087 (4810012672087) | 4820-01-272-5382 (4820012725382) | |
| 4820-01-318-9251 (4820013189251) | 4820-00-163-5270 (4820001635270) | 4820-00-398-9440 (4820003989440) | 4820-01-627-6526 (4820016276526) | |
| 4810-01-108-7364 (4810011087364) | 4820-00-378-2892 (4820003782892) | 4820-01-466-0350 (4820014660350) | 4820-01-617-8969 (4820016178969) | |
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