PartsTable
Technical Data Sheet
RG50281-3 ✓ 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: 4.420 INCHES NOMINAL IN, material: STEEL CHANNEL, nut_style: GANG CHANNEL, SELF LOCKING, nut_quantity: 12, thread_class: 3B, channel_style: RADIUS TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-089-0647, 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
RG50281-3
NSN: 5310-01-089-0647
FSC: 5310
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
radius4.420 INCHES NOMINAL IN
materialSTEEL CHANNEL
nut_styleGANG CHANNEL, SELF LOCKING
nut_quantity12
thread_class3B
channel_styleRADIUS TYPE
overall_width0.434 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
channel_height0.140 INCHES NOMINAL IN
special_featuresFOUR NUTS 0.164-36 UNJF-3B
thread_directionRIGHT-HAND
features_providedFLOATING NUT
NSN5310-01-089-0647
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RG50281-3 · 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
THREAD DIRECTION: RIGHT-HAND
MATERIAL: STEEL CHANNEL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5735 ASSN STD SINGLE MATERIAL RESPONSE NUT
SURFACE TREATMENT: SILVER NUT
NUT STYLE: GANG CHANNEL, SELF LOCKING
RADIUS: 4.420 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL CHANNEL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5735 ASSN STD SINGLE MATERIAL RESPONSE NUT
SURFACE TREATMENTSILVER NUT
OVERALL WIDTH0.434 INCHES NOMINAL IN
NUT STYLEGANG CHANNEL, SELF LOCKING
RADIUS4.420 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
SPECIAL FEATURESFOUR NUTS 0.164-36 UNJF-3B
ASSEMBLY OVERALL HEIGHT0.275 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
A01964-1Interchangeable
interchangeable cross-reference
interchangeable
01964-1Interchangeable
interchangeable cross-reference
interchangeable
860284-15Interchangeable
interchangeable cross-reference
interchangeable
120323Interchangeable
interchangeable cross-reference
interchangeable
B1575-5/16Interchangeable
interchangeable cross-reference
interchangeable
10234Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RG50281-3?
RG50281-3 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What parts can replace RG50281-3?
There are 12 known substitutes for RG50281-3: A01964-1, 01964-1, 860284-15 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RG50281-3?
RG50281-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-089-0647. This indicates validated use in U.S. government and defense supply chains.
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