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PartsTable / COMPONENT / G8899PC52
G8899PC52 ✓ 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 OVERALL, nut_style: HEXAGON, nut_height: 0.469 INCHES NOMINAL IN, thread_class: 3B, thread_series: UN, 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 5310-00-394-8036, 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
G8899PC52
NSN: 5310-00-394-8036
FSC: 5310
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.469 INCHES NOMINAL IN
thread_class3B
thread_seriesUN
thread_directionRIGHT-HAND
countersink_angle15.0 DEGREES NOMINAL NUT
width_across_flats1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
nominal_thread_size1.375 INCHES IN
bearing_surface_typeWASHER FACED
bearing_surface_finish125.0 MICROINCHES
thread_quantity_per_inch16
NSN5310-00-394-8036
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G8899PC52 · 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 CLASS: 3B
•
NUT HEIGHT: 0.469 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.375 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES: UN
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
NUT HEIGHT0.469 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.375 INCHES IN
THREAD QUANTITY PER INCH16
THREAD SERIESUN
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPEWASHER FACED
COUNTERSINK ANGLE15.0 DEGREES NOMINAL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
0899Interchangeable
interchangeable cross-reference
interchangeable
00899Interchangeable
interchangeable cross-reference
interchangeable
80265PC16Interchangeable
interchangeable cross-reference
interchangeable
00899FInterchangeable
interchangeable cross-reference
interchangeable
HC402JInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G8899PC52?
G8899PC52 is a NUT,PLAIN,HEXAGON.
What parts can replace G8899PC52?
There are 5 known substitutes for G8899PC52: 0899, 00899, 80265PC16 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G8899PC52?
G8899PC52 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-394-8036. 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