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PartsTable / COMPONENT / 390004PC123
390004PC123 ✓ 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: IRON OVERALL, hole_diameter: 0.688 INCHES NOMINAL IN, shoulder_height: 0.219 INCHES NOMINAL IN, outside_diameter: 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, special_features: 0.047 IN. RAD BY 0.219 IN.

DEEP FOR DOWEL PIN ON SHOULDER BORE DIA 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 5310-00-467-9948, 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
390004PC123
NSN: 5310-00-467-9948
FSC: 5310
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialIRON OVERALL
hole_diameter0.688 INCHES NOMINAL IN
shoulder_height0.219 INCHES NOMINAL IN
outside_diameter1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
special_features0.047 IN. RAD BY 0.219 IN. DEEP FOR DOWEL PIN ON SHOULDER BORE DIA IN
style_designatorSHOULDERED
shoulder_diameter1.000 INCHES NOMINAL IN
material_thickness0.391 INCHES NOMINAL IN
NSN5310-00-467-9948
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 390004PC123 · 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
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL: IRON OVERALL
•
SHOULDER DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.391 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.688 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
SHOULDER HEIGHT: 0.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES0.047 IN. RAD BY 0.219 IN. DEEP FOR DOWEL PIN ON SHOULDER BORE DIA IN
STYLE DESIGNATORSHOULDERED
MATERIALIRON OVERALL
SHOULDER DIAMETER1.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.391 INCHES NOMINAL IN
HOLE DIAMETER0.688 INCHES NOMINAL IN
OUTSIDE DIAMETER1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
SHOULDER HEIGHT0.219 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
947934-1232Interchangeable
interchangeable cross-reference
interchangeable
RL20AD123GInterchangeable
interchangeable cross-reference
interchangeable
S150-415GREVAPC123Interchangeable
Same NIIN cross-reference
interchangeable
20-123GInterchangeable
Same NIIN cross-reference
interchangeable
150-415GPC123Interchangeable
Same NIIN cross-reference
interchangeable
3315345REVAPC123Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 390004PC123?
390004PC123 is a WASHER,SHOULDERED.
What parts can replace 390004PC123?
There are 6 known substitutes for 390004PC123: 947934-1232, RL20AD123G, S150-415GREVAPC123 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 390004PC123?
390004PC123 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-467-9948. 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