PartsTable
Technical Data Sheet
120368 ✓ Verified by PartsTable
Zyxel · 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

<b>Connectivity Service<br>Secure WiFi</b><br><br><b>Secure WiFi</b><br>Enforcing Best Practice<br>Security for Work-From-Home<br><br>Same Security Across Networks<br>Businesses striking a balance on productivity and security protection becomes a priority with growing number of devices. Whether it is a wired, wireless, or a IoT device, the Secure WiFi service ensures the same network controls which can be applied to headquarters and other remote workplaces. Easily and securely extend working experience as if you were in the office with the adoption of secure tunneling and strict two-factor authentication.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0368, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
120368
NSN: 5310-00-012-0368
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
nut_height0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.785 INCHES MAXIMUM IN
design_typeREUSABLE
thread_class2B
overall_width4.812 INCHES NOMINAL IN
thread_seriesUNF
body_thickness0.500 INCHES NOMINAL IN
hardness_rating121.0 BRINELL STANDARD MINIMUM
NSN5310-00-012-0368
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 120368 · Zyxel ⚠ 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
THREAD CLASS: 2B
NOMINAL THREAD SIZE: 0.312 INCHES IN
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
THREAD SERIES: UNF
THREAD QUANTITY PER INCH: 24
WIDTH ACROSS FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NUT HEIGHT: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
NOMINAL THREAD SIZE0.312 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNF
THREAD QUANTITY PER INCH24
WIDTH ACROSS FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NUT HEIGHT0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
120368Interchangeable
interchangeable cross-reference
interchangeable
80013Interchangeable
interchangeable cross-reference
interchangeable
8862400003-1Interchangeable
interchangeable cross-reference
interchangeable
106-1808Interchangeable
interchangeable cross-reference
interchangeable
124749-037Interchangeable
interchangeable cross-reference
interchangeable
7708053P020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120368?
120368 is a MICROCIRCUIT,DIGITAL manufactured by Zyxel.
What parts can replace 120368?
There are 22 known substitutes for 120368: 120368, 80013, 8862400003-1 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120368?
120368 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0368. This indicates validated use in U.S. government and defense supply chains.
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