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B230353-23 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B230353-23: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: COPPER ALLOY, design_type: SOLID, end_diameter: 2.2190 INCHES NOMINAL IN, bore_diameter: 0.7660 INCHES NOMINAL IN, overall_height: 0.3750 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-237-1926, 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
B230353-23
NSN: 5340-01-237-1926
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY
design_typeSOLID
end_diameter2.2190 INCHES NOMINAL IN
bore_diameter0.7660 INCHES NOMINAL IN
overall_height0.3750 INCHES NOMINAL IN
style_designatorSEAT
first_step_length0.2190 INCHES NOMINAL IN
first_step_diameter4.5000 INCHES NOMINAL IN
second_end_diameter1.5000 INCHES NOMINAL IN
distance_from_end_to_first_step0.1250 INCHES NOMINAL IN
NSN5340-01-237-1926
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B230353-23 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: 4.5000 INCHES NOMINAL IN
•
END DIAMETER: 2.2190 INCHES NOMINAL IN
•
SECOND END DIAMETER: 1.5000 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1250 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
FIRST STEP LENGTH: 0.2190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.3750 INCHES NOMINAL IN
FIRST STEP DIAMETER4.5000 INCHES NOMINAL IN
END DIAMETER2.2190 INCHES NOMINAL IN
SECOND END DIAMETER1.5000 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1250 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
FIRST STEP LENGTH0.2190 INCHES NOMINAL IN
BORE DIAMETER0.7660 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
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 B230353-23?
B230353-23 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for B230353-23?
B230353-23 is cataloged in the U.S. Government catalog under NSN 5340-01-237-1926. 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.