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Technical Data Sheet
PartsTable / COMPONENT / 2671C
2671C ✓ 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: COPPER ALLOY OVERALL, thickness: 0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, hole_diameter: 3.802 INCHES MINIMUM AND 3.857 INCHES MAXIMUM IN, overall_diameter: 6.743 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_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 5310-00-270-2161, 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
2671C
NSN: 5310-00-270-2161
FSC: 5310
CAGE: 38018 — MANITOWOC ENGINEERING CO DIVISION OF THE MANITOWOC CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
hole_diameter3.802 INCHES MINIMUM AND 3.857 INCHES MAXIMUM IN
overall_diameter6.743 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-270-2161
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2671C · 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
•
OVERALL DIAMETER: 6.743 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 3.802 INCHES MINIMUM AND 3.857 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER6.743 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER3.802 INCHES MINIMUM AND 3.857 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
12705058-9Interchangeable
interchangeable cross-reference
interchangeable
2671Interchangeable
interchangeable cross-reference
interchangeable
616AS339Interchangeable
interchangeable cross-reference
interchangeable
8320K1Interchangeable
interchangeable cross-reference
interchangeable
8531267Interchangeable
interchangeable cross-reference
interchangeable
2420530Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2671C?
2671C is a WASHER,FLAT.
What parts can replace 2671C?
There are 17 known substitutes for 2671C: 12705058-9, 2671, 616AS339 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2671C?
2671C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-270-2161. 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