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44A2-J-434 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

44A2-J-434: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL, thread_class: 2A A, fastener_length: 3.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.880 INCHES IN, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5306-01-358-4710, 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
44A2-J-434
NSN: 5306-01-358-4710
FSC: 5306 — Bolts
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL
thread_class2A A
fastener_length3.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.880 INCHES IN
thread_quantity_per_inch9
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationASTM A193,GR. B7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-358-4710
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 44A2-J-434 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 3.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A193,GR. B7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.880 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 9
•
MATERIAL: STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH3.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A193,GR. B7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.880 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH9
MATERIALSTEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
PL-11940-F-18 PIECE 177AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 44A2-J-434?
44A2-J-434 is a BOLT,MACHINE.
What parts can replace 44A2-J-434?
There is 1 known substitute for 44A2-J-434: PL-11940-F-18 PIECE 177A. Substitute compatibility should be verified for your specific system.
What is the NSN for 44A2-J-434?
44A2-J-434 is cataloged in the U.S. Government catalog under NSN 5306-01-358-4710. This indicates validated use in U.S. government and defense supply chains.
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