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910803 ✓ 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

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Features Preset (Face, Night View, and Lens-by-Lens Exposure modes).*Sho This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-8579, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
910803
NSN: 5310-00-010-8579
FSC: 5310
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialSTEEL SINGLE END
design_formSTRAIGHT
thread_class3A SINGLE END A
overall_length35.310 INCHES NOMINAL IN
wall_thickness0.020 INCHES NOMINAL IN
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg33.0 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size1.062 INCHES SINGLE END IN
end_connection_styleINVERTED FLARE SINGLE END
tube_outside_diameter0.750 INCHES NOMINAL IN
thread_series_designatorUN SINGLE END
NSN5310-00-010-8579
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 910803 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 3 STYLE AND A CLASS
•
OUTSIDE DIAMETER: 0.601 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
MATERIAL THICKNESS: 0.097 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.319 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA3 STYLE AND A CLASS
OUTSIDE DIAMETER0.601 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
MATERIAL THICKNESS0.097 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
HOLE DIAMETER0.319 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
LWZ305Interchangeable
interchangeable cross-reference
interchangeable
MW6-10Interchangeable
interchangeable cross-reference
interchangeable
120638Interchangeable
interchangeable cross-reference
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FFW84CLASSASTYLE3Interchangeable
interchangeable cross-reference
interchangeable
H965170405Interchangeable
interchangeable cross-reference
interchangeable
0912303-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 910803?
910803 is a TUBE ASSEMBLY,METAL manufactured by Ricoh.
What parts can replace 910803?
There are 29 known substitutes for 910803: LWZ305, MW6-10, 120638 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 910803?
910803 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-8579. 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