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Technical Data Sheet
PartsTable / COMPONENT / 12716383-6
12716383-6 ✓ 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: WOOL OVERALL, hole_diameter: 0.136 INCHES NOMINAL IN, shoulder_height: 0.031 INCHES NOMINAL IN, outside_diameter: 0.312 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.187 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-345-0990, 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
12716383-6
NSN: 5310-00-345-0990
FSC: 5310
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialWOOL OVERALL
hole_diameter0.136 INCHES NOMINAL IN
shoulder_height0.031 INCHES NOMINAL IN
outside_diameter0.312 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.187 INCHES NOMINAL IN
material_thickness0.062 INCHES NOMINAL IN
material_document_and_classificationMIL-F-1148 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-345-0990
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12716383-6 · 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: WOOL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-F-1148 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.031 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.187 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.136 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSHOULDERED
MATERIALWOOL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-F-1148 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SHOULDER HEIGHT0.031 INCHES NOMINAL IN
SHOULDER DIAMETER0.187 INCHES NOMINAL IN
OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
HOLE DIAMETER0.136 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
K-500-CH-1349Interchangeable
interchangeable cross-reference
interchangeable
MS14314-3XInterchangeable
interchangeable cross-reference
interchangeable
W6506BInterchangeable
interchangeable cross-reference
interchangeable
3431Interchangeable
interchangeable cross-reference
interchangeable
5331PL1674508Interchangeable
interchangeable cross-reference
interchangeable
AS3209-153Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12716383-6?
12716383-6 is a WASHER,SHOULDERED.
What parts can replace 12716383-6?
There are 29 known substitutes for 12716383-6: K-500-CH-1349, MS14314-3X, W6506B and 26 more. Substitute compatibility should be verified for your specific system.
Is 12716383-6 still available?
12716383-6 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