PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SC-B-69409
SC-B-69409 ✓ 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 PIN,ECCENTRIC is a the manufacturer industrial component. Key specifications include height: 0.657 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, overall_length: 1.125 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER, special_features: THREE UNDERCUTS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-392-7759, 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
SC-B-69409
NSN: 5315-00-392-7759
FSC: 5315
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
height0.657 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
overall_length1.125 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER
special_featuresTHREE UNDERCUTS
style_designatorECCENTRIC
first_step_length1.000 INCHES NOMINAL IN
pin_head_diameter0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
third_step_length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
second_step_length0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
NSN5315-00-392-7759
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SC-B-69409 · 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
•
HEAD STYLE: FLAT CHAMFER
•
SECOND STEP LENGTH: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
•
THIRD STEP DIAMETER: 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
OFFSET DISTANCE BETWEEN GEOMETRIC CENTER OF HEAD AND CENTERLINE OF SHANK/SHOULDER: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ECCENTRIC
•
MATERIAL: STEEL COMP 303 OVERALL
•
FIRST STEP DIAMETER: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.125 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
SECOND STEP LENGTH0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
THIRD STEP DIAMETER0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
OFFSET DISTANCE BETWEEN GEOMETRIC CENTER OF HEAD AND CENTERLINE OF SHANK/SHOULDER0.031 INCHES NOMINAL IN
STYLE DESIGNATORECCENTRIC
MATERIALSTEEL COMP 303 OVERALL
FIRST STEP DIAMETER0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER
SPECIAL FEATURESTHREE UNDERCUTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
D9578-28A13Interchangeable
interchangeable cross-reference
interchangeable
177923Interchangeable
interchangeable cross-reference
interchangeable
50208Interchangeable
interchangeable cross-reference
interchangeable
NMP-867Interchangeable
interchangeable cross-reference
interchangeable
009-304-0029Interchangeable
interchangeable cross-reference
interchangeable
52-3-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC-B-69409?
SC-B-69409 is a PIN,ECCENTRIC.
What parts can replace SC-B-69409?
There are 17 known substitutes for SC-B-69409: D9578-28A13, 177923, 50208 and 14 more. Substitute compatibility should be verified for your specific system.
Is SC-B-69409 still available?
SC-B-69409 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