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3-3008-19 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3-3008-19: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY 2024, design_type: SOLID, end_diameter: 0.5450 INCHES NOMINAL IN, bore_diameter: 0.5020 INCHES NOMINAL IN, overall_height: 0.3750 INCHES NOMINAL IN, first_step_length: 0.2000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-215-6436, 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
3-3008-19
NSN: 5340-01-215-6436
FSC: 5340 — Hardware, Commercial
CAGE: 70236 — TACTAIR FLUID CONTROLS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
design_typeSOLID
end_diameter0.5450 INCHES NOMINAL IN
bore_diameter0.5020 INCHES NOMINAL IN
overall_height0.3750 INCHES NOMINAL IN
first_step_length0.2000 INCHES NOMINAL IN
seat_angle_in_deg45.0
surface_treatmentANODIZE
first_step_diameter0.7400 INCHES NOMINAL IN
counterbore_diameter0.5620 INCHES NOMINAL IN
fsc_application_dataAIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
distance_from_end_to_first_step0.1750 INCHES NOMINAL IN
NSN5340-01-215-6436
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-3008-19 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,VACUUM,DEICING SYSTEMS
•
FIRST STEP DIAMETER: 0.7400 INCHES NOMINAL IN
•
END DIAMETER: 0.5450 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.0
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE FROM END TO FIRST STEP: 0.1750 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.3750 INCHES NOMINAL IN
FSC APPLICATION DATAAIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
FIRST STEP DIAMETER0.7400 INCHES NOMINAL IN
END DIAMETER0.5450 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.0
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
DISTANCE FROM END TO FIRST STEP0.1750 INCHES NOMINAL IN
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE
COUNTERBORE DIAMETER0.5620 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 3-3008-19?
3-3008-19 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 3-3008-19?
3-3008-19 is cataloged in the U.S. Government catalog under NSN 5340-01-215-6436. 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.