PartsTable
Technical Data Sheet
MRG38-4546-054 ✓ 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: 19.300 INCHES NOMINAL IN, material: IRON ALLOY 660 NUT, nut_style: GANG CHANNEL, SELF LOCKING, nut_spacing: 1.263 INCHES NOMINAL IN, temp_rating: 1200.0 FAHRENHEIT NOMINAL DEGF, nut_quantity: 23. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-845-0709, 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
MRG38-4546-054
NSN: 5310-00-845-0709
FSC: 5310
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
radius19.300 INCHES NOMINAL IN
materialIRON ALLOY 660 NUT
nut_styleGANG CHANNEL, SELF LOCKING
nut_spacing1.263 INCHES NOMINAL IN
temp_rating1200.0 FAHRENHEIT NOMINAL DEGF
nut_quantity23
thread_class3B
channel_styleRADIUS TYPE
overall_width0.609 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
channel_height0.141 INCHES NOMINAL IN
hardness_rating48.0 ROCKWELL C MAXIMUM
NSN5310-00-845-0709
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MRG38-4546-054 · 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
SURFACE TREATMENT: SILVER NUT
MATERIAL: IRON ALLOY 660 NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE NUT
THREAD QUANTITY PER INCH: 24
HARDNESS RATING: 48.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTSILVER NUT
MATERIALIRON ALLOY 660 NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE NUT
SURFACE TREATMENTPASSIVATE CHANNEL
OVERALL WIDTH0.609 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
HARDNESS RATING48.0 ROCKWELL C MAXIMUM
NOMINAL THREAD SIZE0.312 INCHES IN
FEATURES PROVIDEDFLOATING NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
69-0724Interchangeable
interchangeable cross-reference
interchangeable
MILR26Interchangeable
interchangeable cross-reference
interchangeable
42-3003Interchangeable
interchangeable cross-reference
interchangeable
119-4-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MRG38-4546-054?
MRG38-4546-054 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What parts can replace MRG38-4546-054?
There are 4 known substitutes for MRG38-4546-054: 69-0724, MILR26, 42-3003 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MRG38-4546-054?
MRG38-4546-054 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-845-0709. This indicates validated use in U.S. government and defense supply chains.
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