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PartsTable / COMPONENT / 610-6161831 ITEM #1-E
610-6161831 ITEM #1-E ✓ 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 610-6161831 ITEM #1-E is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-950-1403, 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
610-6161831 ITEM #1-E
NSN: 5310-00-950-1403
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number610-6161831 ITEM #1-E
NSN5310-00-950-1403
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 610-6161831 ITEM #1-E · 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
•
MATERIAL: STEEL COMP 302 AND COPPER ALLOY OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.265 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 302 AND COPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2; A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
SURFACE TREATMENTPASSIVATE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.265 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.687 INCHES NOMINAL IN
THICKNESS0.050 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
06444Interchangeable
interchangeable cross-reference
interchangeable
58781Interchangeable
interchangeable cross-reference
interchangeable
08376Interchangeable
interchangeable cross-reference
interchangeable
MS15795-853Interchangeable
Same NIIN cross-reference
interchangeable
G337862Interchangeable
Same NIIN cross-reference
interchangeable
S1851-0A135Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 610-6161831 ITEM #1-E?
610-6161831 ITEM #1-E is a 610-6161831 ITEM #1-E.
What parts can replace 610-6161831 ITEM #1-E?
There are 6 known substitutes for 610-6161831 ITEM #1-E: 06444, 58781, 08376 and 3 more. Substitute compatibility should be verified for your specific system.
Is 610-6161831 ITEM #1-E still available?
610-6161831 ITEM #1-E 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