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L5875054-003 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

L5875054-003: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY, design_type: SOLID, end_diameter: 0.3100 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_height: 0.5950 INCHES NOMINAL IN, special_features: SEAT CHAMFER 45 DEGREE BY 0.072 INCHES ANGLE ON 0.9230 INCHES DIAMETER SURFACE IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-187-8415, 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
L5875054-003
NSN: 5340-01-187-8415
FSC: 5340 — Hardware, Commercial
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSOLID
end_diameter0.3100 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
overall_height0.5950 INCHES NOMINAL IN
special_featuresSEAT CHAMFER 45 DEGREE BY 0.072 INCHES ANGLE ON 0.9230 INCHES DIAMETER SURFACE IN
style_designatorSEAT
first_step_length0.0950 INCHES NOMINAL IN
counterbore_length0.0720 INCHES NOMINAL IN
first_step_diameter0.3300 INCHES NOMINAL IN
counterbore_diameter0.4990 INCHES NOMINAL IN
fsc_application_dataAIRCRAFT HYDRAULIC SYSTEMS
NSN5340-01-187-8415
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L5875054-003 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
•
FSC APPLICATION DATA: AIRCRAFT HYDRAULIC SYSTEMS
•
FIRST STEP DIAMETER: 0.3300 INCHES NOMINAL IN
•
END DIAMETER: 0.3100 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.3750 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE LENGTH: 0.0720 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.5950 INCHES NOMINAL IN
FSC APPLICATION DATAAIRCRAFT HYDRAULIC SYSTEMS
FIRST STEP DIAMETER0.3300 INCHES NOMINAL IN
END DIAMETER0.3100 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.3750 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.0720 INCHES NOMINAL IN
SECOND STEP DIAMETER0.9230 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.4990 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 L5875054-003?
L5875054-003 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for L5875054-003?
L5875054-003 is cataloged in the U.S. Government catalog under NSN 5340-01-187-8415. This indicates validated use in U.S. government and defense supply chains.
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