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745504 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

745504: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, overall_width: 0.750 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN, overall_height: 0.536 INCHES NOMINAL IN, overall_length: 4.458 INCHES MINIMUM AND 4.478 INCHES MAXIMUM IN, style_designator: PLAIN, mounting_hole_depth: 0.558 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-271-4204, 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
745504
NSN: 5315-00-271-4204
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
overall_width0.750 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN
overall_height0.536 INCHES NOMINAL IN
overall_length4.458 INCHES MINIMUM AND 4.478 INCHES MAXIMUM IN
style_designatorPLAIN
mounting_hole_depth0.558 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
starting_edge_shapeSTRAIGHT
mounting_hole_thread_class3B
mounting_hole_type_and_quantity2 THREADED
mounting_hole_nominal_thread_size0.250 INCHES IN
mounting_hole_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
distance_from_mounting_hole_center_to_end1.468 INCHES NOMINAL AND 3.000 INCHES NOMINAL IN
NSN5315-00-271-4204
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 745504 · 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
•
MOUNTING HOLE TYPE AND QUANTITY: 2 THREADED
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
DISTANCE FROM MOUNTING HOLE CENTER TO END: 1.468 INCHES NOMINAL AND 3.000 INCHES NOMINAL IN
•
MOUNTING HOLE THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.536 INCHES NOMINAL IN
MOUNTING HOLE TYPE AND QUANTITY2 THREADED
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
OVERALL LENGTH4.458 INCHES MINIMUM AND 4.478 INCHES MAXIMUM IN
OVERALL WIDTH0.750 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN
DISTANCE FROM MOUNTING HOLE CENTER TO END1.468 INCHES NOMINAL AND 3.000 INCHES NOMINAL IN
MOUNTING HOLE THREAD CLASS3B
MOUNTING HOLE NOMINAL THREAD SIZE0.250 INCHES IN
MOUNTING HOLE DEPTH0.558 INCHES MINIMUM AND 0.563 INCHES MAXIMUM 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 745504?
745504 is a KEY,MACHINE.
What is the NSN for 745504?
745504 is cataloged in the U.S. Government catalog under NSN 5315-00-271-4204. This indicates validated use in U.S. government and defense supply chains.
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