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PartsTable / COMPONENT / 2207-604
2207-604 ✓ 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 OVERALL, thickness: 0.042 INCHES NOMINAL IN, hole_diameter: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN, overall_diameter: 0.302 INCHES MINIMUM AND 0.322 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 5310-00-507-3259, 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
2207-604
NSN: 5310-00-507-3259
FSC: 5310
CAGE: 82181 — WILLIAM SPENCER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.042 INCHES NOMINAL IN
hole_diameter0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
overall_diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-507-3259
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2207-604 · 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
•
OVERALL DIAMETER: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.042 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.042 INCHES NOMINAL IN
HOLE DIAMETER0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
803-2177142-5XXInterchangeable
interchangeable cross-reference
interchangeable
37326Interchangeable
interchangeable cross-reference
interchangeable
7214BEMInterchangeable
interchangeable cross-reference
interchangeable
70715Interchangeable
interchangeable cross-reference
interchangeable
33466Interchangeable
interchangeable cross-reference
interchangeable
LOCQUIC 70715Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2207-604?
2207-604 is a WASHER,FLAT.
What parts can replace 2207-604?
There are 9 known substitutes for 2207-604: 803-2177142-5XX, 37326, 7214BEM and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2207-604?
2207-604 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-507-3259. 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