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52-B-2003-1 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

52-B-2003-1: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include end_diameter: 0.7500 INCHES NOMINAL IN, overall_height: 2.1500 INCHES NOMINAL IN, special_features: CYLINDRICALLY SHAPED; ONE END FLANGED, first_step_diameter: 1.0900 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-070-8576, 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
52-B-2003-1
NSN: 5340-01-070-8576
FSC: 5340 — Hardware, Commercial
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)
SPECIFICATIONS
end_diameter0.7500 INCHES NOMINAL IN
overall_height2.1500 INCHES NOMINAL IN
special_featuresCYLINDRICALLY SHAPED; ONE END FLANGED
first_step_diameter1.0900 INCHES NOMINAL IN
NSN5340-01-070-8576
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52-B-2003-1 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
•
FIRST STEP DIAMETER: 1.0900 INCHES NOMINAL IN
•
END DIAMETER: 0.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.1500 INCHES NOMINAL IN
FIRST STEP DIAMETER1.0900 INCHES NOMINAL IN
END DIAMETER0.7500 INCHES NOMINAL IN
SPECIAL FEATURESCYLINDRICALLY SHAPED; ONE END FLANGED
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 52-B-2003-1?
52-B-2003-1 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 52-B-2003-1?
52-B-2003-1 is cataloged in the U.S. Government catalog under NSN 5340-01-070-8576. This indicates validated use in U.S. government and defense supply chains.
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