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205-04500 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

205-04500: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, flat_height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, overall_width: 0.075 INCHES NOMINAL IN, overall_height: 0.355 INCHES NOMINAL IN, overall_length: 1.160 INCHES NOMINAL IN, style_designator: STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-431-9991, 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
205-04500
NSN: 5315-01-431-9991
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 33269 — AIRCRAFT WHEEL AND BRAKE, LLC DBA CLEVELAND WHEEL AND BRAKE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
flat_height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
overall_width0.075 INCHES NOMINAL IN
overall_height0.355 INCHES NOMINAL IN
overall_length1.160 INCHES NOMINAL IN
style_designatorSTEPPED
countersink_angle100.0 DEGREES NOMINAL
first_flat_length0.710 INCHES MINIMUM AND 0.714 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
mounting_hole_depth0.075 INCHES NOMINAL IN
mounting_hole_diameter0.520 INCHES NOMINAL IN
mounting_hole_type_and_quantity1 UNTHREADED-COUNTERSUNK
NSN5315-01-431-9991
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 205-04500 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY2. CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST FLAT LENGTH: 0.710 INCHES MINIMUM AND 0.714 INCHES MAXIMUM IN
•
MOUNTING HOLE TYPE AND QUANTITY: 1 UNTHREADED-COUNTERSUNK
•
STYLE DESIGNATOR: STEPPED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING HOLE DIAMETER: 0.520 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.355 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY2. CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST FLAT LENGTH0.710 INCHES MINIMUM AND 0.714 INCHES MAXIMUM IN
MOUNTING HOLE TYPE AND QUANTITY1 UNTHREADED-COUNTERSUNK
STYLE DESIGNATORSTEPPED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.520 INCHES NOMINAL IN
OVERALL LENGTH1.160 INCHES NOMINAL IN
OVERALL WIDTH0.075 INCHES NOMINAL IN
DISTANCE FROM MOUNTING HOLE CENTER TO END0.580 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 205-04500?
205-04500 is a KEY,MACHINE.
What is the NSN for 205-04500?
205-04500 is cataloged in the U.S. Government catalog under NSN 5315-01-431-9991. This indicates validated use in U.S. government and defense supply chains.
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