Steward Machine Co Inc Part Number 587-551 - Get an Instant Quote

Part Number:  587-551
Alternate P/N:  587551
Manufacturer:  steward machine co inc
NIIN:  00-956-1413
Item Name :  seat valve
CAGE Code:  9E328
INC Code:  22113
Country:  USA
NCB Code:  00
FSG:  48 Valves
Last Updated:  05-26-2025

Part Number 587-551 described as Seat Valve with NSN 4820-00-956-1413 with FSC 4820 Valves Nonpowered by Manufacture Steward Machine Co Inc is available in stock. We provide comprehensive database of aerospace and aviation components, sub-assemblies, and completed assemblies allows us to respond to your RFQ within 15 minutes.

Simplified Purchasing is owned and operated by ASAP Semiconductor, an industry-leading AS9120B, ISO 9001:2015, and FAA AC 0056B certified distributor of Steward Machine Co Inc aerospace and aviation parts like 587-551. We are a service-oriented company that provides quality NSN components with an emphasis on United States export law through our delivery centers at 2 strategic locations, California and Nevada. 

Please fill all fields in the RFQ form for 587-551. This will help us understand your requirements and ensure timely delivery. A dedicated product expert will contact you shortly.

Note : We Will Not Share Your Information To Any Third Parties.

Please fill out below form for 587-551

Contact Information

“*” Required Fields Are Compulsory
   * By clicking this box, I acknowledge that I have read and accept the ASAP Semiconductor Terms and Conditions and agree that all quotes and purchase orders are exclusively subject to the ASAP Semiconductor Terms and Conditions.
  • I consent to receive email communications from ASAP Semiconductor and can unsubscribe at any time.
  • ASAP Semiconductor is a wholly independent aftermarket parts distributor.
  • This website is intended for quotations based on part numbers only. Please DO NOT submit drawings, technical data, or other specifications through this portal.

Disclaimer: This is a quotation for the goods listed above. This quotation is meant as an estimate and does not reflect a final bill or invoice. All quotations are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor. This quotation is subject to the ASAP Semiconductor Terms & Conditions available at https://www.asapsemi.com/customer-terms-and-conditions/ . All United States Government and Department of Defense bids are quoted as CAGE code 6RE77 from ASAP Semiconductor’s Anaheim, California facility. Any quotation from ASAP Semiconductor without 6RE77 is void.

NSN Information for Part Number 587-551 with NSN 4820-00-956-1413, 4820009561413

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820-00-956-1413

Item Description:

Seat Valve

48200095614130N
CIICHCCESDPMICCriticalityENAC
UA
Part NumberISCRNVCRNCCHCCMSDSSADC
60-587pc551C95

Characteristics Data of NSN 4820-00-956-1413, 4820009561413

MRCCriteriaCharacteristic
ADARBODY OUTSIDE DIAMETER2.491 INCHES MINIMUM AND 2.492 INCHES MAXIMUM
ADASBODY INSIDE DIAMETER1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM
AJSGSEAT ANGLE IN DEG45.000 NOMINAL
AJSHSEAL ACCOMMODATION TYPERECESSED
CQKMSEATING SURFACE SHAPEANGULAR
MATTMATERIALCOBALT ALLOY FACE
MDCLMATERIAL DOCUMENT AND CLASSIFICATION17-4PH ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE BODY



Thank You for Visiting Our Website.

Don’t forget That We offer Same-Day Shipping and 24/7 Service for Our Customers.

Request for Quote

We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.

bottom to top