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PartsTable / COMPONENT / 361238-1
361238-1 ✓ 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

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: HEXAGON, nut_height: 0.250 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-883-9219, 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
361238-1
NSN: 5310-00-883-9219
FSC: 5310
CAGE: 00752 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORP DIV ANTENNA PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleHEXAGON
nut_height0.250 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch18
material_document_and_classificationASTM A582,CONDITION A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-883-9219
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 361238-1 · 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
•
NUT STYLE: HEXAGON
•
NUT HEIGHT: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
THREAD SERIES: UNF
•
BEARING SURFACE TYPE: FLAT
•
THREAD QUANTITY PER INCH: 18
•
WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
NUT HEIGHT0.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD SERIESUNF
BEARING SURFACE TYPEFLAT
THREAD QUANTITY PER INCH18
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582,CONDITION A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
XH1278Interchangeable
interchangeable cross-reference
interchangeable
LA427-1Interchangeable
interchangeable cross-reference
interchangeable
A124Interchangeable
interchangeable cross-reference
interchangeable
MS15687-2Interchangeable
interchangeable cross-reference
interchangeable
1301-9104Interchangeable
interchangeable cross-reference
interchangeable
D-701Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 361238-1?
361238-1 is a NUT,PLAIN,HEXAGON.
What parts can replace 361238-1?
There are 9 known substitutes for 361238-1: XH1278, LA427-1, A124 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 361238-1?
361238-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-883-9219. 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