Part identity

K1.044

Ring Retaining

Blackhawk Automotive

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

Part description

Ring Retaining

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
K1.044
Item name
Ring Retaining
Manufacturer code
U2021
Manufacturer
Blackhawk Automotive

Certifications & documentation

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

Manufacturer

Blackhawk Automotive

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 K1.044 with NSN 5325-00-163-9344, 5325001639344

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5325001639344

Item Description:

Ring Retaining

53250016393440N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
K1.044225

Characteristics Data of NSN 5325-00-163-9344, 5325001639344

MRCCriteriaCharacteristic
AWQDSTRENGTH RATINGNOT RATED
ABKVOUTSIDE DIAMETER0.642 INCHES NOMINAL
AAGRCROSS-SECTIONAL SHAPE STYLEROUND
SR-5THE MANUFACTURERS DATA
ACXDRING STYLESTRAIGHT GAP
MATLMATERIALSTEEL, CORROSION RESISTING
SURFSURFACE TREATMENTCADMIUM PLATED
AARXINSIDE DIAMETER0.518 INCHES NOMINAL
SR-5DESIGN CONTROL REFERENCEXRC325
AASGCASEHARDENING INDICATORNOT CASEHARDENED
ALMEMATERIAL HARDNESS RATINGNOT RATED
ABQKEND STYLE90 DEGREE PARALLEL
ALBYUSAGE DESIGNEXTERNAL
AJRBMATERIAL DIAMETER0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM
SR-5MANUFACTURERS CODE20859
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
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USA fulfillment. Every order shipped from our Anaheim, California operations. Counterfeit-mitigation aligned to SAE AS5553 / AS6081.

Official logos
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  • ASA
  • AS9120:2025
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