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KR-19550 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

KR-19550: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-688-2825, 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
KR-19550
NSN: 5315-01-688-2825
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0CU54 — POWER ENGINEERING AND MANUFACTURING, LTD. DBA POWER ENGINEERING & MANUFACTURING LTD (USA)
SPECIFICATIONS
Part NumberKR-19550
NSN5315-01-688-2825
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: KR-19550 · 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
SUBSTITUTES & CROSS-REFERENCES 2
AD-43-RHReference document
Same NSN cross-reference
Reference document — Drawing number reference only
AD-43-RH FIND NO 24Same 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 KR-19550?
KR-19550 is a KEY,MACHINE.
What parts can replace KR-19550?
There are 2 known substitutes for KR-19550: AD-43-RH, AD-43-RH FIND NO 24. Substitute compatibility should be verified for your specific system.
What is the NSN for KR-19550?
KR-19550 is cataloged in the U.S. Government catalog under NSN 5315-01-688-2825. This indicates validated use in U.S. government and defense supply chains.
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