PartsTable
Technical Data Sheet
406683 ✓ Verified by PartsTable
Ricoh · 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 only answer for optimum, precise performance of your Ricoh equipment - genuine Ricoh supplies. They are formulated specifically to work with Ricoh office machines. Genuine Ricoh supplies ensure outstanding copy clarity and machine reliability in even the most demanding environments.

Don't let unauthorized supplies affect the quality of your presentation with blurry images or poor copy quality. Genuine Ricoh supplies assure you of maximum machine efficiency and consistent product yield. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-274-8335, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
406683
NSN: 5310-00-274-8335
FSC: 5310
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_stylePRESS FIT MOUNTED
nut_height0.343 INCHES NOMINAL IN
body_length0.450 INCHES NOMINAL IN
thread_class3B
terminal_typeTAB, SOLDER LUG
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
overall_diameter0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
precious_materialGOLD
surface_treatmentGOLD SPRING
NSN5310-00-274-8335
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 406683 · Ricoh ⚠ 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
NOMINAL THREAD SIZE: 0.312 INCHES IN
THREAD SERIES: UNF
THREAD QUANTITY PER INCH: 24
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE NUT
NUT HEIGHT: 0.343 INCHES NOMINAL IN
THREAD DIRECTION: RIGHT-HAND
MATERIAL: STEEL COMP 1118 NUT
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.312 INCHES IN
THREAD SERIESUNF
THREAD QUANTITY PER INCH24
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE NUT
NUT HEIGHT0.343 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1118 NUT
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
THREAD CLASS3B
MATERIALFIBER LOCKING INSERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
16TX933Interchangeable
interchangeable cross-reference
interchangeable
103026Interchangeable
interchangeable cross-reference
interchangeable
NT67446Interchangeable
interchangeable cross-reference
interchangeable
5BInterchangeable
interchangeable cross-reference
interchangeable
147-170Interchangeable
interchangeable cross-reference
interchangeable
A1728Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 406683?
406683 is a JACK,TIP manufactured by Ricoh.
What parts can replace 406683?
There are 13 known substitutes for 406683: 16TX933, 103026, NT67446 and 10 more. Substitute compatibility should be verified for your specific system.
Is 406683 still available?
406683 is currently cancelled.
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