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3C3851P15 — NUT,PLAIN,KNURLED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3C3851P15: NUT,PLAIN,KNURLED.

The NUT,PLAIN,KNURLED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4142 OVERALL, nut_diameter: 2.000 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 1.300 INCHES NOMINAL IN, thread_series: UNF, hardness_rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-412-4474, 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
3C3851P15
NSN: 5310-01-412-4474
FSC: 5310 — Nuts and Washers
CAGE: 66464 — GENERAL ELECTRIC CO (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4142 OVERALL
nut_diameter2.000 INCHES NOMINAL IN
thread_class2B
nut_thickness1.300 INCHES NOMINAL IN
thread_seriesUNF
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
small_end_diameter1.250 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
thread_quantity_per_inch12
NSN5310-01-412-4474
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3C3851P15 · 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 SERIES: UNF
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT DIAMETER: 2.000 INCHES NOMINAL IN
•
NUT THICKNESS: 1.300 INCHES NOMINAL IN
•
SMALL END DIAMETER: 1.250 INCHES NOMINAL IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT DIAMETER2.000 INCHES NOMINAL IN
NUT THICKNESS1.300 INCHES NOMINAL IN
SMALL END DIAMETER1.250 INCHES NOMINAL IN
THREAD CLASS2B
THREAD QUANTITY PER INCH12
MATERIALSTEEL COMP 4130 OR STEEL COMP 4142 OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3C3851P15?
3C3851P15 is a NUT,PLAIN,KNURLED.
What is the NSN for 3C3851P15?
3C3851P15 is cataloged in the U.S. Government catalog under NSN 5310-01-412-4474. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.