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03043402 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

03043402: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 20.2 MILLIMETERS MINIMUM AND 20.4 MILLIMETERS MAXIMUM MM, bore_diameter: 13.000 MILLIMETERS MINIMUM AND 13.100 MILLIMETERS MAXIMUM MM, overall_height: 10.800 MILLIMETERS MINIMUM AND 11.200 MILLIMETERS MAXIMUM MM, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-100-2487, 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
03043402
NSN: 5340-01-100-2487
FSC: 5340 — Hardware, Commercial
CAGE: 61080 — HATZ DIESEL OF AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter20.2 MILLIMETERS MINIMUM AND 20.4 MILLIMETERS MAXIMUM MM
bore_diameter13.000 MILLIMETERS MINIMUM AND 13.100 MILLIMETERS MAXIMUM MM
overall_height10.800 MILLIMETERS MINIMUM AND 11.200 MILLIMETERS MAXIMUM MM
features_providedCASEHARDENED
first_step_length3.000 MILLIMETERS NOMINAL MM
first_step_diameter27.800 MILLIMETERS MINIMUM AND 28.000 MILLIMETERS MAXIMUM MM
countersink_diameter25.000 MILLIMETERS NOMINAL MM
second_step_diameter36.000 MILLIMETERS NOMINAL MM
countersink_angle_in_deg9.5
distance_from_end_to_first_step4.8 MILLIMETERS MINIMUM AND 5.2 MILLIMETERS MAXIMUM MM
NSN5340-01-100-2487
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 03043402 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
•
COUNTERSINK ANGLE IN DEG: 9.5
•
FIRST STEP DIAMETER: 27.800 MILLIMETERS MINIMUM AND 28.000 MILLIMETERS MAXIMUM MM
•
END DIAMETER: 20.2 MILLIMETERS MINIMUM AND 20.4 MILLIMETERS MAXIMUM MM
•
COUNTERSINK DIAMETER: 25.000 MILLIMETERS NOMINAL MM
•
DISTANCE FROM END TO FIRST STEP: 4.8 MILLIMETERS MINIMUM AND 5.2 MILLIMETERS MAXIMUM MM
•
DESIGN TYPE: SOLID
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT10.800 MILLIMETERS MINIMUM AND 11.200 MILLIMETERS MAXIMUM MM
COUNTERSINK ANGLE IN DEG9.5
FIRST STEP DIAMETER27.800 MILLIMETERS MINIMUM AND 28.000 MILLIMETERS MAXIMUM MM
END DIAMETER20.2 MILLIMETERS MINIMUM AND 20.4 MILLIMETERS MAXIMUM MM
COUNTERSINK DIAMETER25.000 MILLIMETERS NOMINAL MM
DISTANCE FROM END TO FIRST STEP4.8 MILLIMETERS MINIMUM AND 5.2 MILLIMETERS MAXIMUM MM
DESIGN TYPESOLID
FEATURES PROVIDEDCASEHARDENED
SECOND STEP DIAMETER36.000 MILLIMETERS NOMINAL MM
FIRST STEP LENGTH3.000 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 1
82157Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 03043402?
03043402 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 03043402?
There is 1 known substitute for 03043402: 82157. Substitute compatibility should be verified for your specific system.
What is the NSN for 03043402?
03043402 is cataloged in the U.S. Government catalog under NSN 5340-01-100-2487. This indicates validated use in U.S. government and defense supply chains.
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