Part detail

Screw Close Toleran

121558B5-A-7NSN5305-01-270-0075CAGE1EM77

Screw Close Toleran

Detailed description

121558B5-A-7 procurement notes

Screw Close Toleran

Specifications

Reference data

Manufacturer
B And B Specialties Inc
Part number
121558B5-A-7
NSN
5305-01-270-0075
NIIN
01-270-0075
FSC
5305 Screws
CAGE code
1EM77
Multi-line procurement

Sourcing more than one part?

Upload a bill of materials (BOM) or paste a list of part numbers — every line bundles into a single RFQ. No checkout, no payment.

Upload BOMPaste part numbers →
Compliance
  • AS9120:2025· Aerospace QMS
  • ISO 9001:2015· Quality Management
  • FAA AC 00-56B· Voluntary Industry Distributor Accreditation
  • U.S. ONLY· Fulfillment

NSN Information for Part Number 121558B5-A-7 with NSN 5305-01-270-0075, 5305012700075

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305012700075

Item Description:

Screw Close Toleran

53050127000750N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
121558b5-A-7595

Characteristics Data of NSN 5305-01-270-0075, 5305012700075

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.475 INCHES MINIMUM AND 0.525 INCHES MAXIMUM
AASBFASTENER LENGTH0.923 INCHES MINIMUM AND 0.953 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.429 INCHES MINIMUM AND 0.479 INCHES MAXIMUM
AAURGRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
AHYMNOMINAL THREAD DIAMETER0.312 INCHES
ANEEGRIP LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH24
CQBCMINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CSYMSURFACE FINISH32.0 MICROINCHES GRIP
CSYMSURFACE FINISH32.0 MICROINCHES THREADS
MATTMATERIALSTEEL COMP H11 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTALUMINUM OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488 TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNJF
Mission ready

Send a quote line
get a response in 15 minutes.

ASAP Military Supplies

An ASAP Semiconductor web resource. Parts procurement for U.S. military, defense, and aerospace operators.

1341 South Sunkist Street, Anaheim, CA 92806
Accreditations
NBAA Member
NBAANBAA Member
ASA (Aviation Suppliers Association)
ASAASA (Aviation Suppliers Association)
AS6081 Certified Supplier
AS6081AS6081 Certified Supplier
FAA AC 00-56B Certified
FAA AC 00-56BFAA AC 00-56B Certified
© 2026 ASAP Semiconductor LLC. All rights reserved.
VisaMastercardDiscoverAmEx