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F123443-10 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

F123443-10: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.375 INCHES NOMINAL IN, overall_height: 0.375 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, style_designator: PLAIN, part_name_assigned_by_controlling_agency: KEY. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-608-5396, 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
F123443-10
NSN: 5315-01-608-5396
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.375 INCHES NOMINAL IN
overall_height0.375 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
style_designatorPLAIN
part_name_assigned_by_controlling_agencyKEY
NSN5315-01-608-5396
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F123443-10 · 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
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.375 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
OVERALL LENGTH2.000 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYKEY
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
0000575Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
F123443 REV A ITEM NO. 10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
F123403 REV A ITEM NO. 9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F123443-10?
F123443-10 is a KEY,MACHINE.
What parts can replace F123443-10?
There are 3 known substitutes for F123443-10: 0000575, F123443 REV A ITEM NO. 10, F123403 REV A ITEM NO. 9. Substitute compatibility should be verified for your specific system.
What is the NSN for F123443-10?
F123443-10 is cataloged in the U.S. Government catalog under NSN 5315-01-608-5396. 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.