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3344563 — NUT,SELF-LOCKING,CAP

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3344563: NUT,SELF-LOCKING,CAP.

The NUT,SELF-LOCKING,CAP is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL EXCEPT INSERT, nut_style: CAP, nut_height: 1.000 INCHES MINIMUM IN, thread_class: 3B, thread_series: UNF, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-722-4146, 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
3344563
NSN: 5310-00-722-4146
FSC: 5310 — Nuts and Washers
CAGE: 39VG9 — PROGRESS RAIL LOCOMOTIVE INC. DBA PROGRESS RAIL SWITCHING SERVICES LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL EXCEPT INSERT
nut_styleCAP
nut_height1.000 INCHES MINIMUM IN
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
width_across_flats1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
nominal_thread_size0.750 INCHES IN
bearing_surface_typeWASHER FACED
end_item_identificationLOGISTGICS SUPPORT VESSEL
thread_quantity_per_inch16
NSN5310-00-722-4146
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3344563 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-15939,COMP 5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 1.000 INCHES MINIMUM IN
•
NUT STYLE: CAP
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-15939,COMP 5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT1.000 INCHES MINIMUM IN
NUT STYLECAP
THREAD CLASS3B
END ITEM IDENTIFICATIONLOGISTGICS SUPPORT VESSEL
SUBSTITUTES & CROSS-REFERENCES 2
3327013Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
09K3953-126Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3344563?
3344563 is a NUT,SELF-LOCKING,CAP.
What parts can replace 3344563?
There are 2 known substitutes for 3344563: 3327013, 09K3953-126. Substitute compatibility should be verified for your specific system.
What is the NSN for 3344563?
3344563 is cataloged in the U.S. Government catalog under NSN 5310-00-722-4146. This indicates validated use in U.S. government and defense supply chains.
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