PartsTable
Technical Data Sheet
Download PDF

H643-6506-3 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

H643-6506-3: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, end_similarity: NOT IDENTICAL, overall_length: 7.620 INCHES NOMINAL IN, first_end_style: CIRCULAR GROOVED AND EXTERNALLY THREADED, second_end_style: PLAIN, special_features: THREAD DATA: 0.750-10 UNC-2A A. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-498-1910, 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
H643-6506-3
NSN: 3040-01-498-1910
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY
step_quantity4
end_similarityNOT IDENTICAL
overall_length7.620 INCHES NOMINAL IN
first_end_styleCIRCULAR GROOVED AND EXTERNALLY THREADED
second_end_stylePLAIN
special_featuresTHREAD DATA: 0.750-10 UNC-2A A
first_end_diameter0.7500 INCHES NOMINAL IN
second_end_diameter0.7500 INCHES NOMINAL IN
largest_step_diameter1.000 INCHES NOMINAL IN
first_end_groove_width0.2000 INCHES NOMINAL IN
end_item_identificationVALVE ASSEMBLY, SNORKLE
NSN3040-01-498-1910
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN H643-6506-3 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 4
•
FIRST END DIAMETER: 0.7500 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.7500 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 1.000 INCHES NOMINAL IN
•
FIRST END STYLE: CIRCULAR GROOVED AND EXTERNALLY THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B150, ALY-C63200 ASSN STD SINGLE MATERIAL RESPONSE
•
END SIMILARITY: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
STEP QUANTITY4
FIRST END DIAMETER0.7500 INCHES NOMINAL IN
SECOND END DIAMETER0.7500 INCHES NOMINAL IN
LARGEST STEP DIAMETER1.000 INCHES NOMINAL IN
FIRST END STYLECIRCULAR GROOVED AND EXTERNALLY THREADED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B150, ALY-C63200 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH7.620 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SPECIAL FEATURESTHREAD DATA: 0.750-10 UNC-2A A
SECOND END STYLEPLAIN
SUBSTITUTES & CROSS-REFERENCES 1
7107384Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy H643-6506-3?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is H643-6506-3?
H643-6506-3 is a SHAFT,SHOULDERED.
What parts can replace H643-6506-3?
There is 1 known substitute for H643-6506-3: 7107384. Substitute compatibility should be verified for your specific system.
What is the NSN for H643-6506-3?
H643-6506-3 is cataloged in the U.S. Government catalog under NSN 3040-01-498-1910. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — H643-6506-3

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.