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National Stock Number (NSN) 4730-00-187-3591 (4730001873591) Parts List

Item Name Reducer Boss
Federal Supply Group (FSG) Pipe Tubing Hose and Fittings
Federal Supply Class (FSC) 4730 Hose Pipe Tube Lubrication and Railing Fittings
National Item Identification Number (NIIN) 00-187-3591 (001873591)
NCB Code USA (00)
Manufacturer Crown Fitting Co Inc, Boeing Company The, Society Of Automotive Engineers Inc, Allan Aircraft Supply Co Llc, Sae International, Satair Usa Inc, Collins Engineering Corp, Faber Enterprises Inc, Earls Supply Co, Hydro Fitting Manufacturing Corp, Designed Metal Connections Inc, Socata Aircraft, Eaton Aeroquip Inc, Aeronautical Standards Group
Part Number Manufacturer Item Name Cage Code RFQ
AN919-18D crown fitting co inc reducer boss 22995 RFQ
273-0089-019 boeing company the reducer boss 94756 RFQ
AS5174 society of automotive engineers inc reducer boss 81343 RFQ
AN919-18D allan aircraft supply co llc reducer boss 06581 RFQ
AS5174D1206 sae international reducer boss 0u583 RFQ
AN919-18D satair usa inc reducer boss r1120 RFQ
AN919-18D collins engineering corp reducer boss 71563 RFQ
AN919-18D faber enterprises inc reducer boss 14397 RFQ
991918 earls supply co reducer boss 65023 RFQ
AS4841 sae international reducer boss 0u583 RFQ
AN919-18D hydro fitting manufacturing corp reducer boss 13899 RFQ
AN919-18D designed metal connections inc reducer boss 14798 RFQ
Z00.N7730063287 socata aircraft reducer boss f0086 RFQ
AS4841 society of automotive engineers inc reducer boss 81343 RFQ
AS5174D1206 society of automotive engineers inc reducer boss 81343 RFQ
AN919-18D eaton aeroquip inc reducer boss 00624 RFQ
AS5174 sae international reducer boss 0u583 RFQ
AN919-18D aeronautical standards group reducer boss 88044 RFQ

Technical Characteristics of NSN 4730001873591

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A ALL ENDS
ACSPREDUCER TYPECONCENTRIC
AGAVEND ITEM IDENTIFICATIONAIRCRAFT APPLICATION
AHNCCONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) ALL ENDS
AWLSCONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
CMLPTHREAD QUANTITY PER INCH12 1ST END
CQJXNOMINAL THREAD SIZE0.562 INCHES 2ND END
CQJXNOMINAL THREAD SIZE1.062 INCHES 1ST END
CWFRNOMINAL OVERALL LENGTH1.797 INCHES
MATTMATERIALALUMINUM ALLOY 2014 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTANODIZE OVERALL
THSDTHREAD SERIES DESIGNATORUN 1ST END
THSDTHREAD SERIES DESIGNATORUNF 2ND END

Relevant Components for NSN - 4730-00-187-3591, 4730001873591
4730-00-277-8787 (4730002778787) 4720-01-622-7428 (4720016227428) 4710-00-287-1501 (4710002871501) 4710-12-339-1327 (4710123391327)
4730-01-297-7939 (4730012977939) 4720-01-664-4464 (4720016644464) 4720-01-421-8581 (4720014218581) 4720-01-355-3111 (4720013553111)
4710-01-184-4726 (4710011844726) 4730-01-353-8404 (4730013538404) 4720-01-180-4509 (4720011804509) 4720-00-392-9652 (4720003929652)

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