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667031 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL SEDIMENT BOWL, design_type: REUSABLE, mounting_type: OUTLET CONNECTION BASE, features_provided: DRAIN PLUG, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS, body_outside_diameter: 5.000 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 5310-00-374-3895, 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
667031
NSN: 5310-00-374-3895
FSC: 5310
CAGE: 93334 — ATWOOD FENCE CO INC (USA)
SPECIFICATIONS
materialSTEEL SEDIMENT BOWL
design_typeREUSABLE
mounting_typeOUTLET CONNECTION BASE
features_providedDRAIN PLUG
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
body_outside_diameter5.000 INCHES NOMINAL IN
filtering_element_quantity1
first_discharge_thread_class2A A
first_discharge_connection_typeTHREADED EXTERNAL TUBE BOTTOM
first_discharge_thread_directionRIGHT-HAND
first_discharge_nominal_thread_size0.750 INCHES IN
first_discharge_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5310-00-374-3895
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 667031 · 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 3
667031Interchangeable
interchangeable cross-reference
interchangeable
395000Interchangeable
interchangeable cross-reference
interchangeable
15500-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 667031?
667031 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 667031?
There are 3 known substitutes for 667031: 667031, 395000, 15500-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 667031?
667031 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-374-3895. 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