Quote for NAS551-8D Crown Fitting Co Inc Part with NSN 4730-00-540-6303

Part Number:  NAS551-8D
Alternate P/N:  NAS5518D
Manufacturer:  crown fitting co inc
NIIN:  5406303
Item Name :  bolt fluid passage
CAGE Code:  22995
INC Code:  18683
Country:  USA
NCB Code:  00
FSG:  47 Pipe Tubing Hose and Fittings
Last Updated:  02-27-2026

Are you looking quote for part NAS551-8D? The Crown Fitting Co Inc-manufactured component (CAGE Code: 22995) is documented under NSN 4730-00-540-6303 as Bolt Fluid Passage. For the fastest quote, please complete our RFQ form with details about NAS551-8D. We guarantee a response within 15 minutes.

ASAP Components provides the verified NAS551-8D, classified under INC 18683, FSG 47 Pipe Tubing Hose and Fittings, FSC 4730 Hose Pipe Tube Lubrication and Railing Fittings, NIIN 00-540-6303, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number NAS551-8D with NSN 4730-00-540-6303, 4730005406303

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4730-00-540-6303

Item PartTypeName:

BOLT,FLUID PASSAGE

47300054063030N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
10108404396

Characteristics Data of NSN 4730-00-540-6303, 4730005406303

MRCCriteriaCharacteristic
AAQLBODY STYLEPLAIN
AAWXCONCENTRIC HOLE DEPTH1.297 INCHES NOMINAL
AAXCCONCENTRIC HOLE DIAMETER0.391 INCHES NOMINAL
ABHPOVERALL LENGTH1.937 INCHES NOMINAL
ACKMFIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
ACKNFIRST END STYLE DESIGNATORINVERTED FLARE
ACLKFIRST END THREAD CLASS3A
ACLLFIRST END THREAD DIRECTIONRIGHT-HAND
ASDBWIDTH ACROSS FLATS1.000 INCHES NOMINAL
ATKZFIRST END THREAD LENGTH0.469 INCHES NOMINAL
BBDFWRENCHING FEATURE STYLEHEXAGON
BBKLFIRST DIAMETER FROM WRENCHING FEATURE0.748 INCHES NOMINAL
BBKRLENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER1.218 INCHES NOMINAL
BBKYFIRST RADIAL FLUID HOLE DIAMETER0.313 INCHES NOMINAL
BBLBDISTANCE FROM FIRST RADIAL HOLE CENTER TO END OF BOLT1.078 INCHES NOMINAL
BBLDLENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO BOLT END1.687 INCHES NOMINAL
BBLFWRENCHING FEATURE HEIGHT0.250 INCHES NOMINAL
CQMMFIRST END THREAD SERIES DESIGNATORUNF
CQPRFIRST END SEAT ANGLE45.0 DEGREES NOMINAL
CQYMFIRST END NOMINAL THREAD SIZE0.750 INCHES
MATTMATERIALALUMINUM
SFTTSURFACE TREATMENTANODIZE
ZZZKSPECIFICATION/STANDARD DATA81349-MIL-F-5509 GOVERNMENT SPECIFICATION AND 80205-NAS551 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Schedule B & Trade

End Use : 12300 Finished metal shapes
Schedule B : 7609000000 (NAICS 332919) Aluminum tube or pipe fittings (couplings, elbows sleeves)
SITC : 68427 Aluminum and aluminum alloy tube and pipe fittings (e.G. Couplings, elbows and sleeves)

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC U - Precious metal content is unknown

NSN Management Codes

AAC Z
Classification Control U
MGMT_CTL Sf9sx-v
Quantity per pack 1
Repariability
Shelf Life N/A
SOS Sms
Unit of Measure Ea

Freight Information

ACC: B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL: Q - 70.0
NMFC: 013280 - Alum bolts
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 576 - Metal and metal products, nos, (less than 35 feet)

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