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Technical Data Sheet
PartsTable / COMPONENT / 88-22331-1
88-22331-1 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 8.2 MILLIMETERS MINIMUM AND 8.6 MILLIMETERS MAXIMUM MM, hardness_rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM, outside_diameter: 14.9 MILLIMETERS MAXIMUM MM, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 1.5 MILLIMETERS MINIMUM AND 1.7 MILLIMETERS MAXIMUM MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-099-9532, 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
88-22331-1
NSN: 5310-01-099-9532
FSC: 5310
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter8.2 MILLIMETERS MINIMUM AND 8.6 MILLIMETERS MAXIMUM MM
hardness_rating44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
outside_diameter14.9 MILLIMETERS MAXIMUM MM
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness1.5 MILLIMETERS MINIMUM AND 1.7 MILLIMETERS MAXIMUM MM
NSN5310-01-099-9532
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 88-22331-1 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 14.9 MILLIMETERS MAXIMUM MM
•
MATERIAL: STEEL OVERALL
•
MATERIAL THICKNESS: 1.5 MILLIMETERS MINIMUM AND 1.7 MILLIMETERS MAXIMUM MM
•
HARDNESS RATING: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
•
HOLE DIAMETER: 8.2 MILLIMETERS MINIMUM AND 8.6 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER14.9 MILLIMETERS MAXIMUM MM
MATERIALSTEEL OVERALL
MATERIAL THICKNESS1.5 MILLIMETERS MINIMUM AND 1.7 MILLIMETERS MAXIMUM MM
HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
HOLE DIAMETER8.2 MILLIMETERS MINIMUM AND 8.6 MILLIMETERS MAXIMUM MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
82044AInterchangeable
interchangeable cross-reference
interchangeable
82044Interchangeable
interchangeable cross-reference
interchangeable
08-82044Interchangeable
interchangeable cross-reference
interchangeable
C9120M349Interchangeable
interchangeable cross-reference
interchangeable
C9120MS349Interchangeable
interchangeable cross-reference
interchangeable
820-48Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88-22331-1?
88-22331-1 is a WASHER,LOCK.
What parts can replace 88-22331-1?
There are 9 known substitutes for 88-22331-1: 82044A, 82044, 08-82044 and 6 more. Substitute compatibility should be verified for your specific system.
Is 88-22331-1 still available?
88-22331-1 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