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Technical Data Sheet
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408159 — NUT,PLAIN,HEXAGON

✓ Government record, cited
Ricoh · NUT WASHER
PRODUCT OVERVIEW

408159: NUT,PLAIN,HEXAGON.

High-volume, high quality print output makes a positive difference to the running of any department or business that appreciates cost-effectiveness and operational efficiency. The Ricoh SP 277SFNwX A4 black and white MFP adds value at every stage, from boasting the lowest CPP its class to easy installation and simple management. The high yield All-In-One toner cartridge - with a 2,600 print maximum - is just one of the outstanding advantages that save time, control costs and protect the environment.

The challenges of small and middle-size work groups are readily met by the Ricoh SP 277SFNwX’s four-in-one capabilities. This highly efficient model will keep your total cost of ownership low, is mightily productive model and is intuitively easy to use whether copying, printing, scanning or faxing. Work flexibly too, with the ability to connect and work remotely – and securely - from mobile devices with Smart Device support such as Mopria, Airprint, Google Cloud Print, Ricoh Apps and This part is cataloged in the U.S.

Government catalog under NSN 5310-00-222-7241, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
408159
NSN: 5310-00-222-7241
FSC: 5310 — Nuts and Washers
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1335 OVERALL
nut_styleHEXAGON
nut_height0.375 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
hardness_rating27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
width_across_flats0.938 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch18
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-222-7241
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 408159 · 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
•
WIDTH ACROSS FLATS: 0.938 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
HARDNESS RATING: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
NUT HEIGHT: 0.375 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.938 INCHES NOMINAL IN
THREAD SERIESUNF
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.625 INCHES IN
NUT HEIGHT0.375 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH18
SUBSTITUTES & CROSS-REFERENCES 1
311A4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 408159?
408159 is a NUT,PLAIN,HEXAGON manufactured by Ricoh.
What parts can replace 408159?
There is 1 known substitute for 408159: 311A4. Substitute compatibility should be verified for your specific system.
What is the NSN for 408159?
408159 is cataloged in the U.S. Government catalog under NSN 5310-00-222-7241. This indicates validated use in U.S. government and defense supply chains.
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