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F176 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, duty_type: HEAVY, overall_width: 0.250 INCHES IN, overall_length: 0.639 INCHES IN, shank_end_type: THREADED MALE, operation_method: GAS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-195-7850, 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
F176
NSN: 5310-01-195-7850
FSC: 5310
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER OVERALL
duty_typeHEAVY
overall_width0.250 INCHES IN
overall_length0.639 INCHES IN
shank_end_typeTHREADED MALE
operation_methodGAS
special_featuresPART OF THE LAVR UPGRADE KIT PN 57K8414,USED ON 12565388
surface_treatmentTIN OVERALL SINGLE LAYER
material_thickness0.040 INCHES IN
wire_hole_diameter0.128 INCHES SINGLE END IN
mounting_method_styleRING
protective_shield_typeDUST
NSN5310-01-195-7850
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F176 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2/32208Interchangeable
interchangeable cross-reference
interchangeable
32208Interchangeable
interchangeable cross-reference
interchangeable
F176Interchangeable
interchangeable cross-reference
interchangeable
R-691 PIECE 27Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F176?
F176 is a NUT,PLAIN,HEXAGON.
What parts can replace F176?
There are 4 known substitutes for F176: 2/32208, 32208, F176 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F176?
F176 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-195-7850. 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