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754-6407553 ITEM 1 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

754-6407553 ITEM 1: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flat_height: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, overall_width: 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN, overall_height: 0.357 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, overall_length: 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN, style_designator: STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-497-8619, 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
754-6407553 ITEM 1
NSN: 5315-01-497-8619
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flat_height0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
overall_width0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
overall_height0.357 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
overall_length2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
style_designatorSTEPPED
starting_edge_shapeROUND
NSN5315-01-497-8619
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 754-6407553 ITEM 1 · 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: ROUND
•
STYLE DESIGNATOR: STEPPED
•
MATERIAL: STEEL OVERALL
•
FLAT HEIGHT: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.357 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
STARTING EDGE SHAPEROUND
STYLE DESIGNATORSTEPPED
OVERALL LENGTH2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
OVERALL WIDTH0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
FLAT HEIGHT0.187 INCHES MINIMUM AND 0.188 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 1
14470394Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 754-6407553 ITEM 1?
754-6407553 ITEM 1 is a KEY,MACHINE.
What parts can replace 754-6407553 ITEM 1?
There is 1 known substitute for 754-6407553 ITEM 1: 14470394. Substitute compatibility should be verified for your specific system.
What is the NSN for 754-6407553 ITEM 1?
754-6407553 ITEM 1 is cataloged in the U.S. Government catalog under NSN 5315-01-497-8619. 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.