Part identity

BLC4R21N

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Infastech Australia Pty Limited

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

Part description

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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
BLC4R21N
Item name
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Manufacturer code
Z1742
Manufacturer
Infastech Australia Pty Limited

Certifications & documentation

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

Manufacturer

Infastech Australia Pty Limited

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

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NSN Information for Part Number BLC4R21N with NSN 5315-00-419-0758, 5315004190758

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5315004190758

Item Description:

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53150041907580N
CIICHCCESDPMICCriticalityENAC
U U0
Part NumberISCRNVCRNCCHCCMSDSSADC
Blc4r21n125

Characteristics Data of NSN 5315-00-419-0758, 5315004190758

MRCCriteriaCharacteristic
AASLHEAD DIAMETER0.360 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
AAZESHANK DIAMETER0.2470 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM
ABQCRING HANDLE DIAMETER1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
ABRMDETENT QUANTITY2
AFLWACTUATION METHODPUSH BUTTON
AGAVEND ITEM IDENTIFICATIONW/S: HOWITZER, M-109 SERIES; HELICOPTER, SEASPRITE H-2; AIRCRAFT, F-16; AIRBORNE MOBILE DIR AIR SPT CTL (2ID), (02M JUL83) (AN/UYQ-3A)
ANEEGRIP LENGTH2.100 INCHES MINIMUM AND 2.120 INCHES MAXIMUM
APCMACTUATION TYPEPULL AND PUSH
CQFMHARDNESS RATING40.0 ROCKWELL C MINIMUM SHANK
CQFMHARDNESS RATING40.0 ROCKWELL C MINIMUM SPINDLE
CRQDSHOULDER TO HEAD END DISTANCE0.935 INCHES MINIMUM
CTDJPIN ATTACHMENT TYPEHOOK
CTXTDETENT TO TAPERED END DISTANCE0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
MATTMATERIALSTEEL COMP 630 SHANK OR STEEL COMP 632 SHANK
MATTMATERIALSTEEL COMP 630 SPINDLE OR STEEL COMP 632 SPINDLE
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD 1ST MATERIAL RESPONSE SHANK OR AMS 5657 ASSN STD 2ND MATERIAL RESPONSE SHANK
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD 1ST MATERIAL RESPONSE SPINDLE OR AMS 5657 ASSN STD 2ND MATERIAL RESPONSE SPINDLE
SFTTSURFACE TREATMENTPASSIVATE SHANK
SFTTSURFACE TREATMENTPASSIVATE SPINDLE
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHANK
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE
STYLSTYLE DESIGNATORRING HANDLE
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Certifications

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