Part detail

Request a Quote for Part 303721 with the NSN 4730005133599 by United Technologies Corp

303721NSN4730-00-513-3599CAGE50885

Material: Steel Style Designator: 7 square, one bolt hole circle III End Item Identification: Azf engine, aircraft, J-57 all models (C-135, EC-135, B-5)

Detailed description

303721 procurement notes

If you are interested in 303721 with NSN 4730005133599, we have you covered with available parts to purchase on Aviation Domain 360. Material: Steel Style Designator: 7 square, one bolt hole circle III End Item Identification: Azf engine, aircraft, J-57 all models (C-135, EC-135, B-5) is listed alongside the part number 303721 under FSC , having been manufactured by United Technologies Corp. If you would like to receive a quote on this item for your comparisons, please fill out and submit the RFQ form below with as much detail as you can provide. With the information that you offer, our team members will quickly craft you a personalized solution that takes your individual needs and requirements into account. As our team members are always available for customers 24/7x365, responses to RFQ submissions will be given in just 15 minutes or less.

Alongside CAGE Code parts from United Technologies Corp, we also provide items from countless leading global manufacturers that we trust as a part of our NO CHINA SOURCING pledge. Prior to shipment, numerous products are subjected to rigorous quality assurance measures, ensuring their reliability and caliber. Furthermore, all items ship alongside their qualifying certifications and manufacturing trace documentation as applicable. As a result of our practices, we are AS9120B, ISO 9001:2015, and FAA AC 00-56B certified and accredited. Get started with a competitive quote for NSN 4730005133599 and see why customers steadily depend on Aviation Domain 360 for all their operational needs.

Specifications

Reference data

Manufacturer
Aircraft Metal Products Corp
Part number
303721
NSN
4730-00-513-3599
NIIN
00-513-3599
FSC
4730 Fittings Hose Pipe and Tube
CAGE code
50885
Multi-line procurement

Sourcing more than one part?

Upload a bill of materials (BOM) or paste a list of part numbers — every line bundles into a single RFQ. No checkout, no payment.

Compliance
  • AS9120:2025· Aerospace QMS
  • ISO 9001:2015· Quality Management
  • FAA AC 00-56B· Voluntary Industry Distributor Accreditation
  • U.S. ONLY· Fulfillment

NSN Information for Part Number 303721 with NSN 4730-00-513-3599, 4730005133599

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4730005133599

Item Description:

FLANGE PIPE

47300051335990N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
513-3599225

Characteristics Data of NSN 4730-00-513-3599, 4730005133599

MRCCriteriaCharacteristic
ABKGBOLT CIRCLE DIAMETER2.344 INCHES NOMINAL
ABNMTHICKNESS0.317 INCHES NOMINAL
ACSVTUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.500 INCHES NOMINAL
ADCLNECK DIAMETER1.641 INCHES NOMINAL
AECSBOLT HOLE QUANTITY4
AGAVEND ITEM IDENTIFICATIONAZF ENGINE, AIRCRAFT, J-57 ALL MODELS (C-135, EC-135, B-5)
AGFFFLANGE WIDTH2.562 INCHES NOMINAL
AHNXBOLT HOLE DIAMETER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM
AJEGNECK HEIGHT1.053 INCHES NOMINAL
AJEMFLANGE SECTION STYLEPLAIN FACE, LONG NECK
AKWEFACE SEATING SURFACE CONDITIONGROUND
MATTMATERIALSTEEL
STYLSTYLE DESIGNATORSQUARE, ONE BOLT HOLE CIRCLE
Mission ready

Send a quote line
get a response in 15 minutes.


ASAP Military Supplies

An ASAP Semiconductor web resource. Parts procurement for U.S. military, defense, and aerospace operators.

1341 South Sunkist Street, Anaheim, CA 92806

Accreditations
NBAA Member
NBAANBAA Member
ASA (Aviation Suppliers Association)
ASAASA (Aviation Suppliers Association)
AS6081 Certified Supplier
AS6081AS6081 Certified Supplier
FAA AC 00-56B Certified
FAA AC 00-56BFAA AC 00-56B Certified
© 2026 ASAP Semiconductor LLC. All rights reserved.
VisaMastercardDiscoverAmEx