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OXO-3549 ✓ 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,COLLET is a the manufacturer industrial component. Key specifications include end_item_identification: OXO WELDING CO MODEL NO. FW2-400 WELDING GUN, general_characteristics_item_description: LENGTH 0.562 IN.,WIDTH 0.562 IN.,MATERIAL BRASS IN, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-206-6472, 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
OXO-3549
NSN: 5310-01-206-6472
FSC: 5310
CAGE: 93009 — NATIONAL TORCH TIP CO INC DIV OF ARCHSMITH INC (USA)
SPECIFICATIONS
end_item_identificationOXO WELDING CO MODEL NO. FW2-400 WELDING GUN
general_characteristics_item_descriptionLENGTH 0.562 IN.,WIDTH 0.562 IN.,MATERIAL BRASS IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-206-6472
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: OXO-3549 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: LENGTH 0.562 IN.,WIDTH 0.562 IN.,MATERIAL BRASS IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
GENERAL CHARACTERISTICS ITEM DESCRIPTIONLENGTH 0.562 IN.,WIDTH 0.562 IN.,MATERIAL BRASS IN
END ITEM IDENTIFICATIONOXO WELDING CO MODEL NO. FW2-400 WELDING GUN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
F73618Interchangeable
interchangeable cross-reference
interchangeable
3549Interchangeable
IBM 900GB 10k SAS 6gbps 2.5'' Hard Drive
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WC73618Interchangeable
interchangeable cross-reference
interchangeable
VG378Interchangeable
interchangeable cross-reference
interchangeable
5215120Interchangeable
interchangeable cross-reference
interchangeable
G9549Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is OXO-3549?
OXO-3549 is a NUT,COLLET.
What parts can replace OXO-3549?
There are 11 known substitutes for OXO-3549: F73618, 3549, WC73618 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for OXO-3549?
OXO-3549 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-206-6472. 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