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PartsTable / COMPONENT / 7348528
7348528 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: FIBER LOCKING INSERT, nut_height: 0.453 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-058-7343, 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
7348528
NSN: 5310-00-058-7343
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialFIBER LOCKING INSERT
nut_height0.453 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
width_across_flats0.563 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
thread_quantity_per_inch24
material_document_and_classificationQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE NUT
NSN5310-00-058-7343
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7348528 · 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
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 0.453 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 24
•
THREAD SERIES: UNF
•
MATERIAL: STEEL NUT
•
THREAD CLASS: 3B
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE NUT
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT0.453 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD QUANTITY PER INCH24
THREAD SERIESUNF
MATERIALSTEEL NUT
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE NUT
MATERIALFIBER LOCKING INSERT
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A-NGH-C-1-8-1-3-2-1-3-0-0-6-0-0Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-24460Interchangeable
interchangeable cross-reference
interchangeable
ANSI A10,14CL3Interchangeable
interchangeable cross-reference
interchangeable
502644Interchangeable
interchangeable cross-reference
interchangeable
803B1Interchangeable
Same NIIN cross-reference
interchangeable
S13302Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7348528?
7348528 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 7348528?
There are 7 known substitutes for 7348528: A-NGH-C-1-8-1-3-2-1-3-0-0-6-0-0, MIL-H-24460, ANSI A10,14CL3 and 4 more. Substitute compatibility should be verified for your specific system.
Is 7348528 still available?
7348528 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026