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Technical Data Sheet
PartsTable / COMPONENT / 11501111-3
11501111-3 ✓ 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,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.255 INCHES MINIMUM IN, overall_height: 0.038 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES MAXIMUM IN, style_designator: SPRING TENSION, material_thickness: 0.025 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-526-1909, 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
11501111-3
NSN: 5310-00-526-1909
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.255 INCHES MINIMUM IN
overall_height0.038 INCHES NOMINAL IN
outside_diameter0.500 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.025 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-526-1909
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11501111-3 · 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 COMP 302 OVERALL
•
OUTSIDE DIAMETER: 0.500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.255 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 302 OVERALL
OUTSIDE DIAMETER0.500 INCHES MAXIMUM IN
STYLE DESIGNATORSPRING TENSION
OVERALL HEIGHT0.038 INCHES NOMINAL IN
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
HOLE DIAMETER0.255 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
1281446Interchangeable
interchangeable cross-reference
interchangeable
RCJC1Interchangeable
interchangeable cross-reference
interchangeable
06948-5FInterchangeable
interchangeable cross-reference
interchangeable
N94-84924Interchangeable
interchangeable cross-reference
interchangeable
MS28778-24Interchangeable
interchangeable cross-reference
interchangeable
924-8307Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11501111-3?
11501111-3 is a WASHER,SPRING TENSION.
What parts can replace 11501111-3?
There are 19 known substitutes for 11501111-3: 1281446, RCJC1, 06948-5F and 16 more. Substitute compatibility should be verified for your specific system.
Is 11501111-3 still available?
11501111-3 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