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11578241 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

11578241: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, overall_width: 1.497 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN, overall_height: 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, overall_length: 2.000 INCHES NOMINAL IN, shear_strength: 0000 SINGLE POUNDS PER SQUARE INCH, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-678-4292, 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
11578241
NSN: 5315-00-678-4292
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
materialCOPPER OVERALL
overall_width1.497 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
overall_height0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
overall_length2.000 INCHES NOMINAL IN
shear_strength0000 SINGLE POUNDS PER SQUARE INCH
style_designatorPLAIN
counterbore_depth0.500 INCHES NOMINAL IN
key_chamfer_angle45.0 DEGREES NOMINAL
key_chamfer_length0.062 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
mounting_hole_depth1.000 INCHES NOMINAL IN
starting_edge_shapeCHAMFERED
counterbore_diameter0.718 INCHES NOMINAL IN
NSN5315-00-678-4292
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11578241 · 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
•
KEY CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
MOUNTING HOLE TYPE AND QUANTITY: 2 UNTHREADED-COUNTERBORED
•
STARTING EDGE SHAPE: CHAMFERED
•
STYLE DESIGNATOR: PLAIN
•
MOUNTING HOLE DIAMETER: 0.406 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
KEY CHAMFER ANGLE45.0 DEGREES NOMINAL
MOUNTING HOLE TYPE AND QUANTITY2 UNTHREADED-COUNTERBORED
STARTING EDGE SHAPECHAMFERED
STYLE DESIGNATORPLAIN
MOUNTING HOLE DIAMETER0.406 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
OVERALL LENGTH2.000 INCHES NOMINAL IN
OVERALL WIDTH1.497 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
DISTANCE FROM MOUNTING HOLE CENTER TO END0.438 INCHES NOMINAL IN
COUNTERBORE DEPTH0.500 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 2
8765801Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5315006784292Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11578241?
11578241 is a KEY,MACHINE.
What parts can replace 11578241?
There are 2 known substitutes for 11578241: 8765801, 5315006784292. Substitute compatibility should be verified for your specific system.
What is the NSN for 11578241?
11578241 is cataloged in the U.S. Government catalog under NSN 5315-00-678-4292. 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.