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PartsTable / COMPONENT / 01209877
01209877 ✓ 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: 0.310 INCHES NOMINAL IN, thread_class: 2B, 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 5310-00-992-3963, 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
01209877
NSN: 5310-00-992-3963
FSC: 5310
CAGE: K7430 — EAGLE AIRFIELD EQUIPMENT LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.310 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats2.750 INCHES NOMINAL IN
nominal_thread_size2.125 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch12
NSN5310-00-992-3963
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 01209877 · 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
•
WIDTH ACROSS FLATS: 2.750 INCHES NOMINAL IN
•
BEARING SURFACE TYPE: CHAMFERED
•
NOMINAL THREAD SIZE: 2.125 INCHES IN
•
THREAD SERIES: UN
•
THREAD QUANTITY PER INCH: 12
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.310 INCHES NOMINAL IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS2.750 INCHES NOMINAL IN
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE2.125 INCHES IN
THREAD SERIESUN
THREAD QUANTITY PER INCH12
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.310 INCHES NOMINAL IN
THREAD CLASS2B
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
150GTInterchangeable
interchangeable cross-reference
interchangeable
200032Interchangeable
interchangeable cross-reference
interchangeable
315575Interchangeable
interchangeable cross-reference
interchangeable
987-7Interchangeable
interchangeable cross-reference
interchangeable
9877-0541MInterchangeable
interchangeable cross-reference
interchangeable
9877 PIECE 5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 01209877?
01209877 is a NUT,PLAIN,HEXAGON.
What parts can replace 01209877?
There are 16 known substitutes for 01209877: 150GT, 200032, 315575 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 01209877?
01209877 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-992-3963. 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