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Technical Data Sheet
14725A ✓ 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,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3140 OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.843 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-199-6475, 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
14725A
NSN: 5310-00-199-6475
FSC: 5310
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL COMP 3140 OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.843 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
hardness_rating28.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
width_across_flats0.937 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch18
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-199-6475
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 14725A · 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
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
BEARING SURFACE TYPE: WASHER FACED
THREAD CLASS: 3B
THREAD QUANTITY PER INCH: 18
WIDTH ACROSS FLATS: 0.937 INCHES NOMINAL IN
NOMINAL THREAD SIZE: 0.625 INCHES IN
THREAD SERIES: UNF
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
BEARING SURFACE TYPEWASHER FACED
THREAD CLASS3B
THREAD QUANTITY PER INCH18
WIDTH ACROSS FLATS0.937 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 3140 OVERALL
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
10116Interchangeable
interchangeable cross-reference
interchangeable
53236Interchangeable
interchangeable cross-reference
interchangeable
2511 2-1/8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 14725A?
14725A is a NUT,PLAIN,CASTELLATED,HEXAGON.
What parts can replace 14725A?
There are 3 known substitutes for 14725A: 10116, 53236, 2511 2-1/8. Substitute compatibility should be verified for your specific system.
What is the NSN for 14725A?
14725A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-199-6475. This indicates validated use in U.S. government and defense supply chains.
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