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112290-3 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

112290-3: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 303, end_diameter: 1.4300 INCHES MINIMUM AND 1.4400 INCHES MAXIMUM IN, bore_diameter: 1.1900 INCHES NOMINAL IN, overall_height: 0.1000 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN, style_designator: SEAT, first_step_diameter: 1.7900 INCHES MINIMUM AND 1.8100 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-019-7571, 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
112290-3
NSN: 5340-00-019-7571
FSC: 5340 — Hardware, Commercial
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL COMP 303
end_diameter1.4300 INCHES MINIMUM AND 1.4400 INCHES MAXIMUM IN
bore_diameter1.1900 INCHES NOMINAL IN
overall_height0.1000 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
style_designatorSEAT
first_step_diameter1.7900 INCHES MINIMUM AND 1.8100 INCHES MAXIMUM IN
fsc_application_dataVALVE,BUTTERFLY
material_document_and_classificationMIL-S-7720 COMP 303 COND A MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-019-7571
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 112290-3 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: VALVE,BUTTERFLY
•
FIRST STEP DIAMETER: 1.7900 INCHES MINIMUM AND 1.8100 INCHES MAXIMUM IN
•
END DIAMETER: 1.4300 INCHES MINIMUM AND 1.4400 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 COMP 303 COND A MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE DIAMETER: 1.1900 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1000 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
FSC APPLICATION DATAVALVE,BUTTERFLY
FIRST STEP DIAMETER1.7900 INCHES MINIMUM AND 1.8100 INCHES MAXIMUM IN
END DIAMETER1.4300 INCHES MINIMUM AND 1.4400 INCHES MAXIMUM IN
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 COMP 303 COND A MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER1.1900 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 112290-3?
112290-3 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 112290-3?
112290-3 is cataloged in the U.S. Government catalog under NSN 5340-00-019-7571. This indicates validated use in U.S. government and defense supply chains.
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