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D4331-3517 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

D4331-3517: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.281 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.375 INCHES MINIMUM IN, fastener_length: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-803-1733, 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
D4331-3517
NSN: 5305-00-803-1733
FSC: 5305 — Screws
CAGE: 60532 — TRANE U.S. INC. DBA THE TRANE CO DIV TRANE HEADQUARTERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.281 INCHES NOMINAL IN
thread_class2A A
thread_length1.375 INCHES MINIMUM IN
fastener_length1.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats0.750 INCHES NOMINAL IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-803-1733
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D4331-3517 · 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
•
HEAD HEIGHT: 0.281 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.375 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.281 INCHES NOMINAL IN
FASTENER LENGTH1.500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.375 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
SCR2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D4331-3517?
D4331-3517 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace D4331-3517?
There is 1 known substitute for D4331-3517: SCR2. Substitute compatibility should be verified for your specific system.
What is the NSN for D4331-3517?
D4331-3517 is cataloged in the U.S. Government catalog under NSN 5305-00-803-1733. This indicates validated use in U.S. government and defense supply chains.
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