Part identity

276351

Bolt Shoulder

Mnr Tool Engineering Inc

Avg quote: 14 minFulfilled from Anaheim, CAAS9120:2025 · ISO 9001 · FAA AC 00-56BC of C, lot & date code with every line

Part description

Bolt Shoulder

ASAP supports this specific part for replacement, spare-pool replenishment, retrofit, and urgent maintenance requirements. Quote requests can include alternate MPN, condition preferences, certification needs, and plant-specific receiving instructions so procurement gets a clear sourcing response before purchase.

Specifications

MPN
276351
Item name
Bolt Shoulder
Manufacturer code
01060
Manufacturer
Mnr Tool Engineering Inc

Certifications & documentation

  • UL Recognized
  • CE
  • C of C available on request
MT

Manufacturer

Mnr Tool Engineering Inc

Authorized-distributor or qualified-aftermarket source. Parts shipped from this manufacturer include full traceability paperwork and counterfeit-mitigation per SAE AS6081.

View manufacturer profile →

NSN Information for Part Number 276351 with NSN 5306-00-522-1486, 5306005221486

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5306005221486

Item Description:

Bolt Shoulder

53060052214860N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
276351223

Characteristics Data of NSN 5306-00-522-1486, 5306005221486

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH1.658 INCHES MINIMUM AND 1.708 INCHES MAXIMUM
AASBFASTENER LENGTH2.178 INCHES MINIMUM AND 2.198 INCHES MAXIMUM
AASKHEAD STYLEDOUBLE HEXAGON W/HOLE
AASUHEAD HEIGHT0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM
AATBWIDTH BETWEEN FLATS0.300 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
AATCEXTENDED WASHER DIAMETER0.465 INCHES MINIMUM AND 0.485 INCHES MAXIMUM
AATDEXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
AATNSHOULDER DIAMETER0.311 INCHES NOMINAL FIRST SHOULDER
AATNSHOULDER DIAMETER0.312 INCHES NOMINAL SECOND SHOULDER
AATXSHOULDER LENGTH0.150 INCHES NOMINAL SECOND SHOULDER
AATXSHOULDER LENGTH0.175 INCHES NOMINAL FIRST SHOULDER
AAUBHOLE DIAMETER0.070 INCHES NOMINAL
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
ASXKHOLE QUANTITY4
BQDMHOLE TYPEDRILLED
CMLPTHREAD QUANTITY PER INCH28
CQFMHARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
CRHCHOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
CRTLCRITICALITY CODE JUSTIFICATIONSUPP
CWYBSHOULDER SHAPEROUND FIRST SHOULDER
FEATSPECIAL FEATURESSHOULDER FURTHEREST FROM HEAD THREADED 0.312-32 BY 3A FIT
MATTMATERIALSTEEL COMP 8740 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SUPPIII SUPPLEMENTARY FEATURESFAILURE COULD CAUSE CATASTROPHIC OR CRITICAL FAILURE RESULTING IN THE LOSS OF OR SERIOUS DAMAGE TO THE AIRCRAFT. WPN SYS OR UNCOMMANDED ENGINE SHUTDOWN
THSDTHREAD SERIES DESIGNATORUNF
Integrated Electromechanicals

Industrial automation, control, and electromechanical components. Over 2 billion parts across 5,100+ manufacturers. Quotes back in 15 minutes, 24/7 — fulfilled from Anaheim, California.

Certifications

  • AS9120:2025
  • ISO 9001:2015
  • FAA AC 00-56B
Share feedback

Proud supporter of the Intrepid Fallen Heroes Fund, advancing mental-health treatment and research for U.S. service members and veterans.

USA fulfillment. Every order shipped from our Anaheim, California operations. Counterfeit-mitigation aligned to SAE AS5553 / AS6081.

Official logos
  • NBA
  • ASA
  • AS9120:2025
Payment acceptedVisaMastercardDiscoverAmerican Express

© 2026 Integrated Electromechanicals. All rights reserved.

Owned and operated as a wholly-owned subsidiary of ASAP Semiconductor LLC. Export-controlled items handled in accordance with ITAR and EAR regulations.