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PartsTable / COMPONENT / SCD16743-5
SCD16743-5 ✓ 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,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, hole_diameter: 2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN, heat_treatment: AS FABRICATED, shoulder_height: 0.297 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, outside_diameter: 3.250 INCHES NOMINAL IN, style_designator: SHOULDERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-8103, 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
SCD16743-5
NSN: 5310-00-596-8103
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
hole_diameter2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN
heat_treatmentAS FABRICATED
shoulder_height0.297 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
outside_diameter3.250 INCHES NOMINAL IN
special_featuresINCL ONE INTERNAL KEYWAY 1.062 IN. MIN/1.067 IN. MAX W BY 0.125 IN.MIN./0.126 IN. MAX FROM CENTER LINE OF BORE TO INTERNAL KEYWAY BOTTOM IN
style_designatorSHOULDERED
shoulder_diameter2.506 INCHES NOMINAL IN
material_thickness0.184 INCHES NOMINAL IN
NSN5310-00-596-8103
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SCD16743-5 · 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
•
OUTSIDE DIAMETER: 3.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL: STEEL COMP 1020 OVERALL
•
MATERIAL THICKNESS: 0.184 INCHES NOMINAL IN
•
SHOULDER HEIGHT: 0.297 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 2.506 INCHES NOMINAL IN
•
HOLE DIAMETER: 2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN
•
HEAT TREATMENT: AS FABRICATED
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.250 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
MATERIALSTEEL COMP 1020 OVERALL
MATERIAL THICKNESS0.184 INCHES NOMINAL IN
SHOULDER HEIGHT0.297 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
SHOULDER DIAMETER2.506 INCHES NOMINAL IN
HOLE DIAMETER2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN
HEAT TREATMENTAS FABRICATED
SPECIAL FEATURESINCL ONE INTERNAL KEYWAY 1.062 IN. MIN/1.067 IN. MAX W BY 0.125 IN.MIN./0.126 IN. MAX FROM CENTER LINE OF BORE TO INTERNAL KEYWAY BOTTOM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
38787-1Interchangeable
interchangeable cross-reference
interchangeable
61191Interchangeable
interchangeable cross-reference
interchangeable
JANI8Interchangeable
interchangeable cross-reference
interchangeable
AM742APN81Interchangeable
interchangeable cross-reference
interchangeable
74-112104-1Interchangeable
interchangeable cross-reference
interchangeable
A42127Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SCD16743-5?
SCD16743-5 is a WASHER,SHOULDERED.
What parts can replace SCD16743-5?
There are 7 known substitutes for SCD16743-5: 38787-1, 61191, JANI8 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SCD16743-5?
SCD16743-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-8103. 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