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PartsTable / COMPONENT / LH63611 PART 5-12
LH63611 PART 5-12 ✓ 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,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_diameter: 3.000 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.250 INCHES NOMINAL IN, thread_series: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-142-4775, 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
LH63611 PART 5-12
NSN: 5310-01-142-4775
FSC: 5310
CAGE: 0BR59 — SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND DIV SGT DRESSER-RAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
nut_diameter3.000 INCHES NOMINAL IN
thread_class3B
nut_thickness0.250 INCHES NOMINAL IN
thread_seriesUNF
thread_directionLEFT-HAND
drive_point_depth0.125 INCHES NOMINAL IN
drive_point_width0.344 INCHES NOMINAL IN
nominal_thread_size1.250 INCHES IN
drive_point_quantity4
hole_type_and_quantity1 TAPPED
NSN5310-01-142-4775
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LH63611 PART 5-12 · 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
•
HOLE TYPE AND QUANTITY: 1 TAPPED
•
NUT DIAMETER: 3.000 INCHES NOMINAL IN
•
NUT THICKNESS: 0.250 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
NUT STYLE: ROUND
•
THREAD QUANTITY PER INCH: 18
•
HOLE NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD SERIES: UNF
TECHNICAL CHARACTERISTICS (FLIS)
HOLE TYPE AND QUANTITY1 TAPPED
NUT DIAMETER3.000 INCHES NOMINAL IN
NUT THICKNESS0.250 INCHES NOMINAL IN
THREAD CLASS3B
NUT STYLEROUND
THREAD QUANTITY PER INCH18
HOLE NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD SERIESUNF
HOLE CONFIGURATION STYLECONFIGURATION G
HOLE THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
503-000C7-45Interchangeable
interchangeable cross-reference
interchangeable
281-012Interchangeable
interchangeable cross-reference
interchangeable
63587Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LH63611 PART 5-12?
LH63611 PART 5-12 is a NUT,PLAIN,ROUND.
What parts can replace LH63611 PART 5-12?
There are 3 known substitutes for LH63611 PART 5-12: 503-000C7-45, 281-012, 63587. Substitute compatibility should be verified for your specific system.
What is the NSN for LH63611 PART 5-12?
LH63611 PART 5-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-142-4775. 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