Part identity

0.250-20UNC-3A 0.250 LG

Setscrew

American Society For

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

Part description

Setscrew

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
0.250-20UNC-3A 0.250 LG
Item name
Setscrew
Manufacturer code
05047
Manufacturer
American Society For

Certifications & documentation

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

Manufacturer

American Society For

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 0.250-20UNC-3A 0.250 LG with NSN 5305-01-309-1519, 5305013091519

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305013091519

Item Description:

Setscrew

53050130915190N
CIICHCCESDPMICCriticalityENAC
U A0
Part NumberISCRNVCRNCCHCCMSDSSADC
0.250-20unc-3a 0.250 Lg523

Characteristics Data of NSN 5305-01-309-1519, 5305013091519

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASBFASTENER LENGTH0.250 INCHES NOMINAL
AASKHEAD STYLEHEADLESS (SETSCREW)
ABQJPOINT STYLEFLAT
ABQZINTERNAL DRIVE STYLEHEXAGON
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
ASDBWIDTH ACROSS FLATS0.188 INCHES NOMINAL
CMLPTHREAD QUANTITY PER INCH20
MATTMATERIALNICKEL ALLOY R-405 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNC
ZZZTNONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 STYLE
Integrated Electromechanicals

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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.

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