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Technical Data Sheet
PartsTable / COMPONENT / N4-11
N4-11 ✓ 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 GEAR ASSEMBLY,SPEED DECREASER is a the manufacturer industrial component. Key specifications include total_ratio: 3.200 TO 1, special_features: GEAR TYPE-PINION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-139-7492, 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
N4-11
NSN: 5310-00-139-7492
FSC: 5310
CAGE: 44218 — NORWALK COMPRESEER COMPANY INC DBA NORWALK COMPRESSOR COMPANY (USA)
SPECIFICATIONS
total_ratio3.200 TO 1
special_featuresGEAR TYPE-PINION
NSN5310-00-139-7492
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N4-11 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
N44Interchangeable
interchangeable cross-reference
interchangeable
2W22959FA56Interchangeable
interchangeable cross-reference
interchangeable
C7621-3Interchangeable
interchangeable cross-reference
interchangeable
E13074Interchangeable
interchangeable cross-reference
interchangeable
42246Interchangeable
interchangeable cross-reference
interchangeable
09 445Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N4-11?
N4-11 is a GEAR ASSEMBLY,SPEED DECREASER.
What parts can replace N4-11?
There are 9 known substitutes for N4-11: N44, 2W22959FA56, C7621-3 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N4-11?
N4-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-139-7492. 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