Sps Technologies Ltd Part Number 51B581-4-9H - Get an Instant Quote

Part Number:  51B581-4-9H
Alternate P/N:  51B58149H
Manufacturer:  sps technologies ltd
NIIN:  00-548-5077
Item Name :  screw close tolerance
CAGE Code:  80539
FSC:  5305 Screws
INC Code:  29294
Country:  USA
NCB Code:  00
Last Updated:  05-22-2025

Part Number 51B581-4-9H described as Screw Close Tolerance with NSN 5305-00-548-5077 with FSC 5305 Screws by Manufacture Sps Technologies Ltd 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 Sps Technologies Ltd aerospace and aviation parts like 51B581-4-9H. 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. 

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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are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor.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 51B581-4-9H with NSN 5305-00-548-5077, 5305005485077

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-00-548-5077

Item Description:

Screw Close Tolerance

53050054850770N
CIICHCCESDPMICCriticalityENAC
UU
Part NumberISCRNVCRNCCHCCMSDSSADC
51b581-4-9h225

Characteristics Data of NSN 5305-00-548-5077, 5305005485077

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM
AASBFASTENER LENGTH0.862 INCHES MINIMUM AND 0.909 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
AAURGRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
AAWBSHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE
ABQZINTERNAL DRIVE STYLEOFFSET CRUCIFORM TORQUE SET
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
ANEEGRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH28
CQBCMINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE100.0 DEGREES NOMINAL
CRZSDISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.736 INCHES MINIMUM FIRST HOLE AND 0.803 INCHES MAXIMUM FIRST HOLE
CSYMSURFACE FINISH32.0 MICROINCHES GRIP
MATTMATERIALSTEEL COMP 4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNJF
ZZZKSPECIFICATION-STANDARD DATA76823-51B581 MANUFACTURERS STANDARD



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