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S4222 PIECE 43 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S4222 PIECE 43: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 1.6880 INCHES NOMINAL IN, bore_diameter: 0.5620 INCHES NOMINAL IN, overall_height: 0.7500 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-237-7121, 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
S4222 PIECE 43
NSN: 5340-01-237-7121
FSC: 5340 — Hardware, Commercial
CAGE: 52406 — RUGGLES-KLINGEMANN MFG CO DBA THE RUGGLES-KLINGEMANN COMPANY (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter1.6880 INCHES NOMINAL IN
bore_diameter0.5620 INCHES NOMINAL IN
overall_height0.7500 INCHES NOMINAL IN
style_designatorSEAT
surface_treatmentCADMIUM
first_step_diameter2.0000 INCHES NOMINAL IN
distance_from_end_to_first_step0.5000 INCHES NOMINAL IN
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-237-7121
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S4222 PIECE 43 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: 2.0000 INCHES NOMINAL IN
•
END DIAMETER: 1.6880 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.5000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: CADMIUM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7500 INCHES NOMINAL IN
FIRST STEP DIAMETER2.0000 INCHES NOMINAL IN
END DIAMETER1.6880 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.5000 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENTCADMIUM
BORE DIAMETER0.5620 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
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S4222 PIECE 43?
S4222 PIECE 43 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for S4222 PIECE 43?
S4222 PIECE 43 is cataloged in the U.S. Government catalog under NSN 5340-01-237-7121. This indicates validated use in U.S. government and defense supply chains.
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