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Technical Data Sheet
PartsTable / MRO / 314500
314500 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 FUSE,CARTRIDGE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 TUBING, thickness: 0.030 INCHES NOMINAL IN, body_style: TUBE TYPE, design_form: PREBENT, thread_class: 3B SECOND END, hole_diameter: 0.109 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-171-5668, 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
MRO→ MRO_GENERAL→ 314500
NSN: 5310-00-171-5668
FSC: 5310
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL COMP 304 TUBING
thickness0.030 INCHES NOMINAL IN
body_styleTUBE TYPE
design_formPREBENT
thread_class3B SECOND END
hole_diameter0.109 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
wall_thickness0.028 INCHES NOMINAL IN
overall_diameter0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
features_providedNONRENEWABLE FUSIBLE ELEMENT
seat_angle_in_deg33.0 FIRST END
NSN5310-00-171-5668
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 314500 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC OVERALL
•
OVERALL DIAMETER: 0.188 INCHES NOMINAL IN
•
THICKNESS: 0.030 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.109 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
MATERIALPLASTIC OVERALL
OVERALL DIAMETER0.188 INCHES NOMINAL IN
THICKNESS0.030 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.109 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
ABC 1/2Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-23419/3-FM09A2Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-23419/9Interchangeable
interchangeable cross-reference
interchangeable
31-4500-501Interchangeable
interchangeable cross-reference
interchangeable
31-4500Interchangeable
interchangeable cross-reference
interchangeable
314.500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 314500?
314500 is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 314500?
There are 6 known substitutes for 314500: ABC 1/2, MIL-F-23419/3-FM09A2, MIL-F-23419/9 and 3 more. Substitute compatibility should be verified for your specific system.
Is 314500 still available?
314500 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