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853855 ✓ 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 WASHER,RECESSED is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN, thread_length: 0.294 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-362-9091, 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
853855
NSN: 5310-00-362-9091
FSC: 5310
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
thread_length0.294 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5310-00-362-9091
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 853855 · 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
•
HOLE DIAMETER: 0.687 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECESSED
•
OUTSIDE DIAMETER: 0.937 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
RECESS DEPTH: 0.093 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.687 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER0.937 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
RECESS DEPTH0.093 INCHES NOMINAL IN
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
OVERALL HEIGHT0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
6442Interchangeable
interchangeable cross-reference
interchangeable
DOD-018Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-1/1727Interchangeable
interchangeable cross-reference
interchangeable
N1828Interchangeable
interchangeable cross-reference
interchangeable
6928JGCInterchangeable
interchangeable cross-reference
interchangeable
239161-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 853855?
853855 is a WASHER,RECESSED.
What parts can replace 853855?
There are 20 known substitutes for 853855: 6442, DOD-018, MIL-PRF-1/1727 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 853855?
853855 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-362-9091. 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