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PartsTable / COMPONENT / MRG38-3326-054
MRG38-3326-054 ✓ 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

NUT ASSEMBLY,SELF-LOCKING,GANG C. Key specifications include radius: 19.840 INCHES NOMINAL IN, material: STEEL COMP 347 NUT, nut_style: GANG CHANNEL, SELF LOCKING, nut_spacing: 0.886 INCHES NOMINAL IN, temp_rating: 1200.0 FAHRENHEIT NOMINAL DEGF, nut_quantity: 25. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-048-7514, 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
MRG38-3326-054
NSN: 5310-00-048-7514
FSC: 5310
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
radius19.840 INCHES NOMINAL IN
materialSTEEL COMP 347 NUT
nut_styleGANG CHANNEL, SELF LOCKING
nut_spacing0.886 INCHES NOMINAL IN
temp_rating1200.0 FAHRENHEIT NOMINAL DEGF
nut_quantity25
thread_class3B
channel_styleRADIUS TYPE
overall_width0.609 INCHES MAXIMUM IN
thread_seriesUNF
channel_height0.141 INCHES NOMINAL IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
NSN5310-00-048-7514
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MRG38-3326-054 · 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
•
RADIUS: 19.840 INCHES NOMINAL IN
•
CHANNEL HEIGHT: 0.141 INCHES NOMINAL IN
•
NUT SPACING: 0.886 INCHES NOMINAL IN
•
REMOVABLE NUT MANUFACTURER CODE: 72962
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
REMOVABLE NUT MANUFACTURER PART NUMBER: 2037-054
TECHNICAL CHARACTERISTICS (FLIS)
RADIUS19.840 INCHES NOMINAL IN
OVERALL WIDTH0.609 INCHES MAXIMUM IN
CHANNEL HEIGHT0.141 INCHES NOMINAL IN
NUT SPACING0.886 INCHES NOMINAL IN
REMOVABLE NUT MANUFACTURER CODE72962
THREAD SERIESUNF
NOMINAL THREAD SIZE0.312 INCHES IN
REMOVABLE NUT MANUFACTURER PART NUMBER2037-054
ASSEMBLY OVERALL HEIGHT0.485 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
FEATURES PROVIDEDFLOATING NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3127RA-8Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS8791Interchangeable
interchangeable cross-reference
interchangeable
203189Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MRG38-3326-054?
MRG38-3326-054 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What parts can replace MRG38-3326-054?
There are 3 known substitutes for MRG38-3326-054: 3127RA-8, SAE-AS8791, 203189. Substitute compatibility should be verified for your specific system.
What is the NSN for MRG38-3326-054?
MRG38-3326-054 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-048-7514. 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