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Technical Data Sheet
PartsTable / COMPONENT / NO 8
NO 8 ✓ 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 CHAIN,WELDLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, thickness: 0.035 INCHES NOMINAL IN, nut_height: 0.156 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNEF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-045-3299, 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
NO 8
NSN: 5310-00-045-3299
FSC: 5310
CAGE: 87874 — THOMPSON AND COOKE INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
thickness0.035 INCHES NOMINAL IN
nut_height0.156 INCHES NOMINAL IN
thread_class2B
thread_seriesUNEF
overall_length4.625 FEET NOMINAL FT
special_featuresMADE FROM .047 IN. WIRE IN
style_designatorCYLINDRICAL
thread_directionRIGHT-HAND
breaking_strength50.0 BELT GROUP 3
surface_treatmentNICKEL OVERALL
NSN5310-00-045-3299
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NO 8 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
CA5-12P2Interchangeable
interchangeable cross-reference
interchangeable
X7-9Interchangeable
interchangeable cross-reference
interchangeable
106496Interchangeable
interchangeable cross-reference
interchangeable
131182Interchangeable
interchangeable cross-reference
interchangeable
25704-281210-41-0Interchangeable
interchangeable cross-reference
interchangeable
MS35337-23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NO 8?
NO 8 is a CHAIN,WELDLESS.
What parts can replace NO 8?
There are 31 known substitutes for NO 8: CA5-12P2, X7-9, 106496 and 28 more. Substitute compatibility should be verified for your specific system.
Is NO 8 still available?
NO 8 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