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Technical Data Sheet
PC5123330 ✓ 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

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.7500 INCHES NOMINAL IN, bore_diameter: 0.5000 INCHES NOMINAL IN, overall_height: 0.3120 INCHES NOMINAL IN, first_step_length: 0.1250 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 5340-00-055-0831, 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
PC5123330
NSN: 5340-00-055-0831
FSC: 5340
CAGE: C7432 — POWER COMPONENTS (DEUTSCHLAND) GMBH (DEU)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.7500 INCHES NOMINAL IN
bore_diameter0.5000 INCHES NOMINAL IN
overall_height0.3120 INCHES NOMINAL IN
first_step_length0.1250 INCHES NOMINAL IN
first_step_diameter0.9380 INCHES NOMINAL IN
distance_from_end_to_first_step0.1250 INCHES NOMINAL IN
NSN5340-00-055-0831
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PC5123330 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
DISTANCE FROM END TO FIRST STEP: 0.1250 INCHES NOMINAL IN
DESIGN TYPE: SOLID
END DIAMETER: 0.7500 INCHES NOMINAL IN
MATERIAL: STEEL
FIRST STEP DIAMETER: 0.9380 INCHES NOMINAL IN
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
FIRST STEP LENGTH: 0.1250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM END TO FIRST STEP0.1250 INCHES NOMINAL IN
DESIGN TYPESOLID
END DIAMETER0.7500 INCHES NOMINAL IN
MATERIALSTEEL
FIRST STEP DIAMETER0.9380 INCHES NOMINAL IN
BORE DIAMETER0.5000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONSHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); VEHICLE, AIRCRAFT REFUELER R-14; HELICOPTER, ADVANCE ATTACK, AH-1W; HELICOPTER, CARRIER BASED ASW, SH-60F; CARRIER, PERS M-113A1, M-113A2, M-113A3; HELICOPTER, SEARCH AND RESCUE, HH-60H; FIRE PUMPS; TRACTOR, AIRCRAFT TOWING, A/S32U-30; AIRCRAFT, C-2A )REPROCURED); HELICOPTER, MH-53E A
FIRST STEP LENGTH0.1250 INCHES NOMINAL IN
OVERALL HEIGHT0.3120 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
33041Upgraded Successor
successor cross-reference
successor
236Interchangeable
interchangeable cross-reference
interchangeable
50561Interchangeable
interchangeable cross-reference
interchangeable
100420Interchangeable
interchangeable cross-reference
interchangeable
CD4011BMJInterchangeable
interchangeable cross-reference
interchangeable
808092Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PC5123330?
PC5123330 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace PC5123330?
There are 14 known substitutes for PC5123330: 33041, 236, 50561 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PC5123330?
PC5123330 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-055-0831. This indicates validated use in U.S. government and defense supply chains.
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