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Technical Data Sheet
PartsTable / COMPONENT / 255277-08
255277-08 ✓ 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,SPECIAL,COUPLING,PUMP is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,2.000 IN. OD BY 3/8 IN.

THK,3/4-16 UNF 2B THREADS,3 HOLES DRILLED THROUGH WALL TO CENTER FOR SECURING ITEM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-162-6398, 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
255277-08
NSN: 5310-01-162-6398
FSC: 5310
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,2.000 IN. OD BY 3/8 IN. THK,3/4-16 UNF 2B THREADS,3 HOLES DRILLED THROUGH WALL TO CENTER FOR SECURING ITEM IN
NSN5310-01-162-6398
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 255277-08 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,2.000 IN. OD BY 3/8 IN. THK,3/4-16 UNF 2B THREADS,3 HOLES DRILLED THROUGH WALL TO CENTER FOR SECURING ITEM IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,2.000 IN. OD BY 3/8 IN. THK,3/4-16 UNF 2B THREADS,3 HOLES DRILLED THROUGH WALL TO CENTER FOR SECURING ITEM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
102392Interchangeable
interchangeable cross-reference
interchangeable
H208GTCInterchangeable
interchangeable cross-reference
interchangeable
10862Interchangeable
interchangeable cross-reference
interchangeable
577R554H02Interchangeable
interchangeable cross-reference
interchangeable
CDD-3522-02Interchangeable
interchangeable cross-reference
interchangeable
10862-17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 255277-08?
255277-08 is a NUT,SPECIAL,COUPLING,PUMP.
What parts can replace 255277-08?
There are 11 known substitutes for 255277-08: 102392, H208GTC, 10862 and 8 more. Substitute compatibility should be verified for your specific system.
Is 255277-08 still available?
255277-08 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