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08742AB — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

08742AB: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 1.5720 INCHES NOMINAL IN, bore_diameter: 0.8440 INCHES NOMINAL IN, overall_height: 0.2860 INCHES NOMINAL IN, special_features: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-355-1426, 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
08742AB
NSN: 5340-00-355-1426
FSC: 5340 — Hardware, Commercial
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter1.5720 INCHES NOMINAL IN
bore_diameter0.8440 INCHES NOMINAL IN
overall_height0.2860 INCHES NOMINAL IN
special_featuresNOT CASEHARDENED
counterbore_length0.2500 INCHES NOMINAL IN
counterbore_diameter1.5000 INCHES NOMINAL IN
fsc_application_dataVALVE SPRING SEAT,GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT PRIME MOVER AND STARTING ENGINE TYPES
NSN5340-00-355-1426
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 08742AB 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 SPRING SEAT,GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT PRIME MOVER AND STARTING ENGINE TYPES
•
END DIAMETER: 1.5720 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
COUNTERBORE LENGTH: 0.2500 INCHES NOMINAL IN
•
COUNTERBORE DIAMETER: 1.5000 INCHES NOMINAL IN
•
BORE DIAMETER: 0.8440 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2860 INCHES NOMINAL IN
FSC APPLICATION DATAVALVE SPRING SEAT,GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT PRIME MOVER AND STARTING ENGINE TYPES
END DIAMETER1.5720 INCHES NOMINAL IN
DESIGN TYPESOLID
COUNTERBORE LENGTH0.2500 INCHES NOMINAL IN
COUNTERBORE DIAMETER1.5000 INCHES NOMINAL IN
SPECIAL FEATURESNOT CASEHARDENED
BORE DIAMETER0.8440 INCHES NOMINAL IN
MATERIALSTEEL
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
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 08742AB?
08742AB is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 08742AB?
08742AB is cataloged in the U.S. Government catalog under NSN 5340-00-355-1426. This indicates validated use in U.S. government and defense supply chains.
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