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Technical Data Sheet
124-7121004 PC38 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The HANDWHEEL is a the manufacturer industrial component. Key specifications include ratchet: NOT INCLUDED, material: STEEL OVERALL, drive_width: 0.875 INCHES NOMINAL IN, overall_height: 5.000 INCHES NOMINAL IN, handwheel_style: SPOKES, outside_diameter: 10.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-492-1052, 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
124-7121004 PC38
NSN: 5340-01-492-1052
FSC: 5340
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
ratchetNOT INCLUDED
materialSTEEL OVERALL
drive_width0.875 INCHES NOMINAL IN
overall_height5.000 INCHES NOMINAL IN
spoke_quantity4
handwheel_styleSPOKES
outside_diameter10.000 INCHES NOMINAL IN
drive_facility_styleSQUARE
hub_outside_diameter2.250 INCHES NOMINAL IN
end_item_identificationUSED ON HATCH
handle_rotating_featureINCLUDED
handle_counterbalancing_weightNOT INCLUDED
NSN5340-01-492-1052
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 124-7121004 PC38 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
HUB OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN
HANDLE ROTATING FEATURE: INCLUDED
HANDLE COUNTERBALANCING WEIGHT: NOT INCLUDED
RATCHET: NOT INCLUDED
DRIVE WIDTH: 0.875 INCHES NOMINAL IN
HANDWHEEL STYLE: SPOKES
DRIVE FACILITY STYLE: SQUARE
SPOKE QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
HUB OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
HANDLE ROTATING FEATUREINCLUDED
HANDLE COUNTERBALANCING WEIGHTNOT INCLUDED
RATCHETNOT INCLUDED
DRIVE WIDTH0.875 INCHES NOMINAL IN
HANDWHEEL STYLESPOKES
DRIVE FACILITY STYLESQUARE
SPOKE QUANTITY4
MATERIALSTEEL OVERALL
OVERALL HEIGHT5.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
124-7121004 PC 27Interchangeable
interchangeable cross-reference
interchangeable
124-7121004Interchangeable
interchangeable cross-reference
interchangeable
124-7121004 PC 28Interchangeable
interchangeable cross-reference
interchangeable
124-7121004 PC39Interchangeable
interchangeable cross-reference
interchangeable
124-7121004 PCInterchangeable
interchangeable cross-reference
interchangeable
124-7121004 PC 14 X 21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-7121004 PC38?
124-7121004 PC38 is a HANDWHEEL.
What parts can replace 124-7121004 PC38?
There are 7 known substitutes for 124-7121004 PC38: 124-7121004 PC 27, 124-7121004, 124-7121004 PC 28 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-7121004 PC38?
124-7121004 PC38 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-492-1052. This indicates validated use in U.S. government and defense supply chains.
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