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148313 ✓ 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,WING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: WING, thread_class: 2B, body_diameter: 0.620 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.520 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-049-0471, 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
148313
NSN: 5310-01-049-0471
FSC: 5310
CAGE: 93334 — ATWOOD FENCE CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleWING
thread_class2B
body_diameter0.620 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.520 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
wing_spread_width1.240 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN
fabrication_methodSTAMPED
nominal_thread_size0.312 INCHES IN
thread_quantity_per_inch18
NSN5310-01-049-0471
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 148313 · 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: ZINC OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MS-66 MFR REF SINGLE MATERIAL RESPONSE OR MS-67,FSCM 74865 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PS-79 CODE 15 MFR REF SINGLE TREATMENT RESPONSE OR PS-1536 CODE 25,FSCM 74865 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
NUT STYLE: WING
•
BODY DIAMETER: 0.620 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMS-66 MFR REF SINGLE MATERIAL RESPONSE OR MS-67,FSCM 74865 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS-79 CODE 15 MFR REF SINGLE TREATMENT RESPONSE OR PS-1536 CODE 25,FSCM 74865 MFR REF SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
NUT STYLEWING
BODY DIAMETER0.620 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.312 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH18
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
PT109Interchangeable
interchangeable cross-reference
interchangeable
21810Interchangeable
interchangeable cross-reference
interchangeable
845936-2Interchangeable
interchangeable cross-reference
interchangeable
PM21810Interchangeable
interchangeable cross-reference
interchangeable
2N5991Interchangeable
interchangeable cross-reference
interchangeable
E7HZ8260GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 148313?
148313 is a NUT,PLAIN,WING.
What parts can replace 148313?
There are 9 known substitutes for 148313: PT109, 21810, 845936-2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 148313?
148313 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-049-0471. 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