PartsTable
Technical Data Sheet
4026T99P03 ✓ 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,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: PLASTIC LOCKING INSERT, nut_style: ROUND, nut_diameter: 1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, thread_series: UNJEF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-122-7694, 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
4026T99P03
NSN: 5310-01-122-7694
FSC: 5310
CAGE: 99207 — GENERAL ELECTRIC COMPANY DBA GE AEROSPACE (USA)
SPECIFICATIONS
materialPLASTIC LOCKING INSERT
nut_styleROUND
nut_diameter1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
thread_class3B
nut_thickness0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
thread_seriesUNJEF
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
drive_point_depth0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
nominal_thread_size1.312 INCHES IN
drive_point_diameter0.128 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
NSN5310-01-122-7694
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4026T99P03 · 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: ROUND
THREAD DIRECTION: RIGHT-HAND
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
NUT DIAMETER: 1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH: 18
NOMINAL THREAD SIZE: 1.312 INCHES IN
THREAD SERIES: UNJEF
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEROUND
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT DIAMETER1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH18
NOMINAL THREAD SIZE1.312 INCHES IN
THREAD SERIESUNJEF
MATERIALSTEEL OVERALL EXCEPT INSERT
MATERIALPLASTIC LOCKING INSERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
SL7048Interchangeable
interchangeable cross-reference
interchangeable
U3F7710312Interchangeable
interchangeable cross-reference
interchangeable
SL07048Interchangeable
interchangeable cross-reference
interchangeable
4026T99P02Interchangeable
Same NIIN cross-reference
interchangeable
94283-2118Interchangeable
Same NIIN cross-reference
interchangeable
4026T99P01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4026T99P03?
4026T99P03 is a NUT,SELF-LOCKING,ROUND.
What parts can replace 4026T99P03?
There are 8 known substitutes for 4026T99P03: SL7048, U3F7710312, SL07048 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4026T99P03?
4026T99P03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-122-7694. This indicates validated use in U.S. government and defense supply chains.
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