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Technical Data Sheet
PartsTable / MRO / 65756
65756 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 KEYTOP,KEYBOARD is a the manufacturer industrial component. Key specifications include color: GRAY/GREY, material: PLASTIC, overall_width: 0.539 INCHES NOMINAL IN, overall_height: 0.484 INCHES NOMINAL IN, overall_length: 0.588 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0423, 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
MRO→ MRO_GENERAL→ 65756
NSN: 5310-00-012-0423
FSC: 5310
CAGE: 0B6S1 — INTERNATIONAL BUSINESS MACHINES CORP PARTS ORDER CENTER DEPT E - 54 (USA)
SPECIFICATIONS
colorGRAY/GREY
materialPLASTIC
overall_width0.539 INCHES NOMINAL IN
overall_height0.484 INCHES NOMINAL IN
overall_length0.588 INCHES NOMINAL IN
NSN5310-00-012-0423
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 65756 · 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
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,FS1060 TO FS1080-CANCELLED FED SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL THICKNESS: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
HOLE DIAMETER: 0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,FS1060 TO FS1080-CANCELLED FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
HOLE DIAMETER0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
4524Interchangeable
interchangeable cross-reference
interchangeable
MS15607-1Interchangeable
interchangeable cross-reference
interchangeable
65756Interchangeable
interchangeable cross-reference
interchangeable
53340Interchangeable
interchangeable cross-reference
interchangeable
5287403Interchangeable
interchangeable cross-reference
interchangeable
10342558Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 65756?
65756 is a KEYTOP,KEYBOARD. It is classified as a MRO (MRO_GENERAL).
What parts can replace 65756?
There are 26 known substitutes for 65756: 4524, MS15607-1, 65756 and 23 more. Substitute compatibility should be verified for your specific system.
Is 65756 still available?
65756 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