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124-1678562 PC 91 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

124-1678562 PC 91: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.312 INCHES NOMINAL IN, overall_height: 0.312 INCHES NOMINAL IN, overall_length: 3.000 INCHES NOMINAL IN, style_designator: PLAIN, end_item_identification: MARINE HARDWARE AND HULL DOORS. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-480-4059, 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
124-1678562 PC 91
NSN: 5315-01-480-4059
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.312 INCHES NOMINAL IN
overall_height0.312 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
style_designatorPLAIN
end_item_identificationMARINE HARDWARE AND HULL DOORS
part_name_assigned_by_controlling_agencyKEY, ROUND ENDS
NSN5315-01-480-4059
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-1678562 PC 91 · 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 HEIGHT0.312 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
OVERALL LENGTH3.000 INCHES NOMINAL IN
OVERALL WIDTH0.312 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYKEY, ROUND ENDS
END ITEM IDENTIFICATIONMARINE HARDWARE AND HULL DOORS
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
124-1678562Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 124-1678562 PC 91?
124-1678562 PC 91 is a KEY,MACHINE.
What parts can replace 124-1678562 PC 91?
There is 1 known substitute for 124-1678562 PC 91: 124-1678562. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-1678562 PC 91?
124-1678562 PC 91 is cataloged in the U.S. Government catalog under NSN 5315-01-480-4059. 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.