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Technical Data Sheet
PartsTable / COMPONENT / 10910174-33
10910174-33 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL, thickness: 0.151 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, hole_diameter: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN, hardness_rating: 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM, overall_diameter: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-000-0079, 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
10910174-33
NSN: 5310-00-000-0079
FSC: 5310
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
thickness0.151 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
hole_diameter0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
hardness_rating33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
overall_diameter0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationARMORED MULTI-PURPOSE VEHICLE (AMPV); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyWASHER, FLAT METAL, ROUND HARDENED
NSN5310-00-000-0079
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10910174-33 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
•
MATERIAL: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
•
THICKNESS: 0.151 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
END ITEM IDENTIFICATIONARMORED MULTI-PURPOSE VEHICLE (AMPV); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, FLAT METAL, ROUND HARDENED
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
THICKNESS0.151 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
OVERALL DIAMETER0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
12569613-33Interchangeable
interchangeable cross-reference
interchangeable
10910174-33Interchangeable
interchangeable cross-reference
interchangeable
12569613Interchangeable
interchangeable cross-reference
interchangeable
10910174Interchangeable
Same NIIN cross-reference
interchangeable
5310-00-000-0079Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10910174-33?
10910174-33 is a WASHER,FLAT.
What parts can replace 10910174-33?
There are 5 known substitutes for 10910174-33: 12569613-33, 10910174-33, 12569613 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10910174-33?
10910174-33 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-000-0079. 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