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PartsTable / COMPONENT / E-172-043-434
E-172-043-434 ✓ 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 416 OVERALL, nut_style: HEXAGON, nut_height: 0.859 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), 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 5310-00-199-3155, 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
E-172-043-434
NSN: 5310-00-199-3155
FSC: 5310
CAGE: 11440 — GE STEAM POWER INC DBA GE STEAM POWER, INC DIV GENERAL ELECTRIC (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
nut_styleHEXAGON
nut_height0.859 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch8
nondefinitive_spec/std_data3 TYPE AND A OR B STYLE
NSN5310-00-199-3155
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: E-172-043-434 · 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
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 8
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.859 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
WIDTH ACROSS FLATS: 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE1.000 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH8
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.859 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
WIDTH ACROSS FLATS1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA3 TYPE AND A OR B STYLE
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
G-17402 PC 14Interchangeable
interchangeable cross-reference
interchangeable
41UT4103-4PC60Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222Interchangeable
interchangeable cross-reference
interchangeable
MILB857TYPE3STYLEA0RBInterchangeable
interchangeable cross-reference
interchangeable
FF-N-836 TY II ST 4Interchangeable
interchangeable cross-reference
interchangeable
1927Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E-172-043-434?
E-172-043-434 is a NUT,PLAIN,HEXAGON.
What parts can replace E-172-043-434?
There are 7 known substitutes for E-172-043-434: G-17402 PC 14, 41UT4103-4PC60, MIL-DTL-1222 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E-172-043-434?
E-172-043-434 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-199-3155. 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