PartsTable
Technical Data Sheet
803-2178494-TA- 53 ✓ 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: NICKEL ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-272-5700, 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
803-2178494-TA- 53
NSN: 5310-00-272-5700
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
nut_styleHEXAGON
nut_height0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch13
nondefinitive_spec/std_data1 TYPE AND 400 GRADE
NSN5310-00-272-5700
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 803-2178494-TA- 53 · 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: HEXAGON
THREAD QUANTITY PER INCH: 13
NOMINAL THREAD SIZE: 0.500 INCHES IN
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTION: RIGHT-HAND
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 400 GRADE
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
THREAD QUANTITY PER INCH13
NOMINAL THREAD SIZE0.500 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 400 GRADE
THREAD CLASS2B
WIDTH ACROSS FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MATERIALNICKEL ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
FF-B-187Interchangeable
interchangeable cross-reference
interchangeable
149158Interchangeable
interchangeable cross-reference
interchangeable
136480Interchangeable
interchangeable cross-reference
interchangeable
CI1-010DInterchangeable
interchangeable cross-reference
interchangeable
CI1Interchangeable
interchangeable cross-reference
interchangeable
A18182-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 803-2178494-TA- 53?
803-2178494-TA- 53 is a NUT,PLAIN,HEXAGON.
What parts can replace 803-2178494-TA- 53?
There are 23 known substitutes for 803-2178494-TA- 53: FF-B-187, 149158, 136480 and 20 more. Substitute compatibility should be verified for your specific system.
Is 803-2178494-TA- 53 still available?
803-2178494-TA- 53 is currently cancelled.
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