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PartsTable / COMPONENT / 74053 REV B
74053 REV B ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 NUT, nut_style: HEXAGON, nut_height: 0.420 INCHES NOMINAL IN, nut_length: 1.125 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-696-4938, 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
74053 REV B
NSN: 5310-01-696-4938
FSC: 5310
CAGE: 1KHV0 — EXLAR CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 NUT
nut_styleHEXAGON
nut_height0.420 INCHES NOMINAL IN
nut_length1.125 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
nominal_thread_size0.750 INCHES IN
bearing_surface_typeCHAMFERED
end_item_identificationLLH0B2633
hole_configuration_styleCONFIGURATION B
thread_quantity_per_inch16
NSN5310-01-696-4938
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74053 REV B · 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
•
MATERIAL: STEEL COMP 303 NUT
•
THREAD CLASS: 2B
•
NUT HEIGHT: 0.420 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303 NUT
THREAD CLASS2B
NUT HEIGHT0.420 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.750 INCHES IN
END ITEM IDENTIFICATIONLLH0B2633
BEARING SURFACE TYPECHAMFERED
HOLE CONFIGURATION STYLECONFIGURATION B
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NUT LENGTH1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
75044Interchangeable
interchangeable cross-reference
interchangeable
73869Interchangeable
interchangeable cross-reference
interchangeable
Y109101007N ITEInterchangeable
interchangeable cross-reference
interchangeable
A75044Interchangeable
interchangeable cross-reference
interchangeable
15155Interchangeable
interchangeable cross-reference
interchangeable
74053 REV BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74053 REV B?
74053 REV B is a GASKET.
What parts can replace 74053 REV B?
There are 8 known substitutes for 74053 REV B: 75044, 73869, Y109101007N ITE and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74053 REV B?
74053 REV B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-696-4938. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026