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PartsTable / COMPONENT / PE65-1
PE65-1 ✓ 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 WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.281 INCHES NOMINAL IN, outside_diameter: 1.750 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.065 INCHES NOMINAL IN, external_straight_key_width: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-3586, 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
PE65-1
NSN: 5310-00-209-3586
FSC: 5310
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.281 INCHES NOMINAL IN
outside_diameter1.750 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.065 INCHES NOMINAL IN
external_key_quantity7
external_straight_key_width0.250 INCHES NOMINAL IN
overall_distance_including_keys2.250 INCHES NOMINAL IN
NSN5310-00-209-3586
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PE65-1 · 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
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.065 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
OVERALL DISTANCE INCLUDING KEYS: 2.250 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 7
•
HOLE DIAMETER: 1.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.065 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OVERALL DISTANCE INCLUDING KEYS2.250 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY7
HOLE DIAMETER1.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
11645Interchangeable
interchangeable cross-reference
interchangeable
56077Interchangeable
interchangeable cross-reference
interchangeable
SM-B-187362Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PE65-1?
PE65-1 is a WASHER,KEY.
What parts can replace PE65-1?
There are 3 known substitutes for PE65-1: 11645, 56077, SM-B-187362. Substitute compatibility should be verified for your specific system.
Is PE65-1 still available?
PE65-1 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