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PartsTable / COMPONENT / W886-1
W886-1 ✓ 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: 0.250 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, thread_direction: LEFT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-222-7202, 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
W886-1
NSN: 5310-00-222-7202
FSC: 5310
CAGE: 02527 — AMERICAN-MARSH PUMPS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.250 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
thread_directionLEFT-HAND
width_across_flats1.875 INCHES NOMINAL IN
nominal_thread_size1.375 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch16
NSN5310-00-222-7202
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W886-1 · 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 HEIGHT: 0.250 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 16
•
NOMINAL THREAD SIZE: 1.375 INCHES IN
•
THREAD SERIES: UN
•
BEARING SURFACE TYPE: WASHER FACED
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: LEFT-HAND
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.250 INCHES NOMINAL IN
THREAD QUANTITY PER INCH16
NOMINAL THREAD SIZE1.375 INCHES IN
THREAD SERIESUN
BEARING SURFACE TYPEWASHER FACED
MATERIALSTEEL OVERALL
THREAD DIRECTIONLEFT-HAND
THREAD CLASS2B
WIDTH ACROSS FLATS1.875 INCHES NOMINAL IN
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
E45321Interchangeable
interchangeable cross-reference
interchangeable
E452Interchangeable
interchangeable cross-reference
interchangeable
CE270Interchangeable
interchangeable cross-reference
interchangeable
F35Interchangeable
interchangeable cross-reference
interchangeable
MS35649-134Interchangeable
interchangeable cross-reference
interchangeable
91240A030Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W886-1?
W886-1 is a NUT,PLAIN,HEXAGON.
What parts can replace W886-1?
There are 11 known substitutes for W886-1: E45321, E452, CE270 and 8 more. Substitute compatibility should be verified for your specific system.
Is W886-1 still available?
W886-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026