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S63693 — KEY,STEAM TURBINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S63693: KEY,STEAM TURBINE.

The KEY,STEAM TURBINE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL MIL-S-16782;0.375 IN. WIDE;0.375 IN.

THICK;1.500 IN. LONG IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-967-3446, 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
S63693
NSN: 5315-00-967-3446
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 59180 — CIRCOR PUMPS NORTH AMERICA LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL MIL-S-16782;0.375 IN. WIDE;0.375 IN. THICK;1.500 IN. LONG IN
NSN5315-00-967-3446
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S63693 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL MIL-S-16782;0.375 IN. WIDE;0.375 IN. THICK;1.500 IN. LONG IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL MIL-S-16782;0.375 IN. WIDE;0.375 IN. THICK;1.500 IN. LONG IN
SUBSTITUTES & CROSS-REFERENCES 6
11651Reference document
Same NSN cross-reference
Reference document — Secondary reference
W64ASReference document
Same NSN cross-reference
Reference document — Secondary reference
G9977PC75Reference document
Same NSN cross-reference
Reference document — Secondary reference
SG3693PC78Reference document
Same NSN cross-reference
Reference document — Secondary reference
801504-53Reference document
Same NSN cross-reference
Reference document — Secondary reference
SG3832PC78Reference 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 S63693?
S63693 is a KEY,STEAM TURBINE.
What parts can replace S63693?
There are 6 known substitutes for S63693: 11651, W64AS, G9977PC75 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S63693?
S63693 is cataloged in the U.S. Government catalog under NSN 5315-00-967-3446. 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.