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77A442 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include radius: 0.125 INCHES NOMINAL IN, material: COPPER ALLOY 360, thickness: 0.500 INCHES NOMINAL IN, bore_diameter: 0.3770 INCHES MINIMUM AND 0.3790 INCHES MAXIMUM IN, outside_diameter: 0.625 INCHES NOMINAL IN, style_designator: ROUND W/ SINGLE EDGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-242-8906, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
77A442
NSN: 3040-00-242-8906
FSC: 3040
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
radius0.125 INCHES NOMINAL IN
materialCOPPER ALLOY 360
thickness0.500 INCHES NOMINAL IN
bore_diameter0.3770 INCHES MINIMUM AND 0.3790 INCHES MAXIMUM IN
outside_diameter0.625 INCHES NOMINAL IN
style_designatorROUND W/ SINGLE EDGE
surface_treatmentCHROMIUM
nominal_thread_size0.164 INCHES SINGLE HOLE IN
securing_hole_quantity1
securing_hole_type_and_locationTHREADED SINGLE HOLE
material_document_and_classificationQQ-B-626, ALLOY 360, 1/2H FED SPEC SINGLE MATERIAL RESPONSE
screw_thread_series_designator_and_locationSINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
NSN3040-00-242-8906
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,SHAFT TITLE COMPONENT PN 77A442 MFR COLLAR,SHAFT
KEY FEATURES
•
BORE DIAMETER: 0.3770 INCHES MINIMUM AND 0.3790 INCHES MAXIMUM IN
•
THICKNESS: 0.500 INCHES NOMINAL IN
•
SECURING HOLE QUANTITY: 1
•
SURFACE TREATMENT: CHROMIUM
•
SECURING HOLE TYPE AND LOCATION: THREADED SINGLE HOLE
•
STYLE DESIGNATOR: ROUND W/ SINGLE EDGE
•
NOMINAL THREAD SIZE: 0.164 INCHES SINGLE HOLE IN
•
MATERIAL: COPPER ALLOY 360
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.3770 INCHES MINIMUM AND 0.3790 INCHES MAXIMUM IN
THICKNESS0.500 INCHES NOMINAL IN
SECURING HOLE QUANTITY1
SURFACE TREATMENTCHROMIUM
SECURING HOLE TYPE AND LOCATIONTHREADED SINGLE HOLE
STYLE DESIGNATORROUND W/ SINGLE EDGE
NOMINAL THREAD SIZE0.164 INCHES SINGLE HOLE IN
MATERIALCOPPER ALLOY 360
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626, ALLOY 360, 1/2H FED SPEC SINGLE MATERIAL RESPONSE
RADIUS0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
M8Interchangeable
interchangeable cross-reference
interchangeable
35Interchangeable
Pago tarjeta de credito
interchangeable
X380-13Interchangeable
interchangeable cross-reference
interchangeable
PPC95Interchangeable
interchangeable cross-reference
interchangeable
A5M0Interchangeable
interchangeable cross-reference
interchangeable
SS-S-736 TY2ST4CLA-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77A442?
77A442 is a COLLAR,SHAFT.
What parts can replace 77A442?
There are 20 known substitutes for 77A442: M8, 35, X380-13 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77A442?
77A442 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-242-8906. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026