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243-6283490-16 DETAIL 10-B — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

243-6283490-16 DETAIL 10-B: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, overall_height: 0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, overall_length: 5.250 INCHES NOMINAL IN, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-277-5073, 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
243-6283490-16 DETAIL 10-B
NSN: 5315-01-277-5073
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
overall_height0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
overall_length5.250 INCHES NOMINAL IN
style_designatorPLAIN
NSN5315-01-277-5073
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 243-6283490-16 DETAIL 10-B · 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 HEIGHT0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
OVERALL LENGTH5.250 INCHES NOMINAL IN
OVERALL WIDTH0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
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
243-6283490-16D ET.10BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 243-6283490-16 DETAIL 10-B?
243-6283490-16 DETAIL 10-B is a KEY,MACHINE.
What parts can replace 243-6283490-16 DETAIL 10-B?
There is 1 known substitute for 243-6283490-16 DETAIL 10-B: 243-6283490-16D ET.10B. Substitute compatibility should be verified for your specific system.
What is the NSN for 243-6283490-16 DETAIL 10-B?
243-6283490-16 DETAIL 10-B is cataloged in the U.S. Government catalog under NSN 5315-01-277-5073. 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.