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Technical Data Sheet
PartsTable / COMPONENT / 22 M40
22 M40 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-638-8142, 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
22 M40
NSN: 5310-00-638-8142
FSC: 5310
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5310-00-638-8142
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 22 M40 · 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
•
SURFACE TREATMENT: CADMIUM NUT
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
BEARING SURFACE TYPE: FLAT
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 3B
•
NUT HEIGHT: 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM NUT
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.112 INCHES IN
BEARING SURFACE TYPEFLAT
THREAD DIRECTIONRIGHT-HAND
NUT STYLEHEXAGON
THREAD CLASS3B
NUT HEIGHT0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
38232Interchangeable
interchangeable cross-reference
interchangeable
22 M40Interchangeable
interchangeable cross-reference
interchangeable
345-212-2008Interchangeable
Same NIIN cross-reference
interchangeable
703650Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 22 M40?
22 M40 is a BEARING,BALL,ANNULAR.
What parts can replace 22 M40?
There are 4 known substitutes for 22 M40: 38232, 22 M40, 345-212-2008 and 1 more. Substitute compatibility should be verified for your specific system.
Is 22 M40 still available?
22 M40 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