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Technical Data Sheet
PartsTable / COMPONENT / 121593
121593 ✓ 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 LEVER,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include end_item_identification: KIC HUB AND DRUM ASSEMBLIES, nominal_thread_diameter: 1.5 INCHES IN, part_name_assigned_by_controlling_agency: BOLT, RIBBED NECK. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-200-2868, 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
121593
NSN: 5315-00-200-2868
FSC: 5315
CAGE: 59130 — TAPPAN CO THE (USA)
SPECIFICATIONS
end_item_identificationKIC HUB AND DRUM ASSEMBLIES
nominal_thread_diameter1.5 INCHES IN
thread_series_designatorM
part_name_assigned_by_controlling_agencyBOLT, RIBBED NECK
NSN5315-00-200-2868
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 121593 · 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
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
HARDNESS RATING: 66.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 69.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
•
UNDERCUT DIAMETER: 0.2000 INCHES MINIMUM AND 0.2070 INCHES MAXIMUM IN
•
UNDERCUT WIDTH: 0.032 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: GROOVE
•
EFFECTIVE LENGTH: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END LOCATIONBOTH ENDS
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
HARDNESS RATING66.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 69.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
UNDERCUT DIAMETER0.2000 INCHES MINIMUM AND 0.2070 INCHES MAXIMUM IN
UNDERCUT WIDTH0.032 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
STYLE DESIGNATORGROOVE
EFFECTIVE LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
FEATURES PROVIDEDCASEHARDENED
UNDERCUT RADIUS0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
49032Interchangeable
interchangeable cross-reference
interchangeable
B70026Interchangeable
interchangeable cross-reference
interchangeable
121593Interchangeable
interchangeable cross-reference
interchangeable
4T8884Interchangeable
interchangeable cross-reference
interchangeable
8884Interchangeable
interchangeable cross-reference
interchangeable
E13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121593?
121593 is a LEVER,MANUAL CONTROL.
What parts can replace 121593?
There are 17 known substitutes for 121593: 49032, B70026, 121593 and 14 more. Substitute compatibility should be verified for your specific system.
Is 121593 still available?
121593 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