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2207871 ✓ 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,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_depth: 0.094 INCHES NOMINAL IN, hole_diameter: 0.391 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, outside_diameter: 0.656 INCHES NOMINAL IN, style_designator: RECESSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-187-8647, 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
2207871
NSN: 5310-00-187-8647
FSC: 5310
CAGE: 30379 — EUCLID INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_depth0.094 INCHES NOMINAL IN
hole_diameter0.391 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
outside_diameter0.656 INCHES NOMINAL IN
style_designatorRECESSED
NSN5310-00-187-8647
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2207871 · 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
•
RECESS DEPTH: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.391 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.656 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
RECESS DEPTH0.094 INCHES NOMINAL IN
OVERALL HEIGHT0.250 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
MATERIALSTEEL OVERALL
HOLE DIAMETER0.391 INCHES NOMINAL IN
OUTSIDE DIAMETER0.656 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
B94.19 TABLE 41Interchangeable
interchangeable cross-reference
interchangeable
C41615Interchangeable
interchangeable cross-reference
interchangeable
41615Interchangeable
interchangeable cross-reference
interchangeable
43656Interchangeable
interchangeable cross-reference
interchangeable
666740-1Interchangeable
interchangeable cross-reference
interchangeable
8627276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2207871?
2207871 is a WASHER,RECESSED.
What parts can replace 2207871?
There are 9 known substitutes for 2207871: B94.19 TABLE 41, C41615, 41615 and 6 more. Substitute compatibility should be verified for your specific system.
Is 2207871 still available?
2207871 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026