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Technical Data Sheet

442753 — Technical Data Sheet

✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BELTS,V,MATCHED SET is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_diameter: 1.7 MILLIMETERS NOMINAL MM, thread_length: 6.0 MILLIMETERS NOMINAL MM, screw_material: STEEL CORROSION RESISTING, fastener_length: 6.0 MILLIMETERS NOMINAL MM, locking_feature: PATCH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5306-00-044-2753, 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
442753
NSN: 5306-00-044-2753
FSC: 5306
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
head_diameter1.7 MILLIMETERS NOMINAL MM
thread_length6.0 MILLIMETERS NOMINAL MM
screw_materialSTEEL CORROSION RESISTING
fastener_length6.0 MILLIMETERS NOMINAL MM
locking_featurePATCH
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
internal_drive_styleTRI-WING RECESS
nominal_thread_diameter3.0 MILLIMETERS MM
screw_surface_treatmentPASSIVATE
locking_feature_materialPLASTIC POLYAMIDE NYLON
NSN5306-00-044-2753
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 442753 · 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: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 95000 POUNDS PER SQUARE INCH LBS
•
LOCKING FEATURE: DISTORTIONS BEARING SURFACE OF HEAD
•
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
•
HEAD HEIGHT: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH LBS
LOCKING FEATUREDISTORTIONS BEARING SURFACE OF HEAD
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
THREAD LENGTH0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
490-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4-7253-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILB11040InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5-0412InterchangeableGOVERNMENT REGISTRY
Belts,v,matched Set
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 442753?
442753 is a BELTS,V,MATCHED SET.
What parts can replace 442753?
There are 4 known substitutes for 442753: 490-3, 4-7253-3, MILB11040 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 442753?
442753 is cataloged in the Federal Logistics Information System under NSN 5306-00-044-2753. This indicates validated use in U.S. government and defense supply chains.
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