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41B653 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

41B653: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1030 OVERALL, overall_width: 0.1875 INCHES NOMINAL IN, overall_height: 0.1875 INCHES NOMINAL IN, overall_length: 1.000 INCHES NOMINAL IN, style_designator: PLAIN, starting_edge_shape: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-292-0243, 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
41B653
NSN: 5315-00-292-0243
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 088A2 — C SYSTEMS LLC DBA CRAIG SYSTEMS DBA EASTERN TECHNOLOGIES (USA)
SPECIFICATIONS
materialSTEEL COMP 1030 OVERALL
overall_width0.1875 INCHES NOMINAL IN
overall_height0.1875 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-292-0243
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 41B653 · 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
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1030 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1875 INCHES NOMINAL IN
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.000 INCHES NOMINAL IN
OVERALL WIDTH0.1875 INCHES NOMINAL IN
MATERIALSTEEL COMP 1030 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
3511001Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 41B653?
41B653 is a KEY,MACHINE.
What parts can replace 41B653?
There is 1 known substitute for 41B653: 3511001. Substitute compatibility should be verified for your specific system.
What is the NSN for 41B653?
41B653 is cataloged in the U.S. Government catalog under NSN 5315-00-292-0243. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.