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220212A — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

220212A: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 1213, design_type: SOLID, end_diameter: 0.6050 INCHES MINIMUM AND 0.6150 INCHES MAXIMUM IN, bore_diameter: 0.3590 INCHES NOMINAL IN, overall_height: 0.5930 INCHES NOMINAL IN, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-024-2185, 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
220212A
NSN: 5340-00-024-2185
FSC: 5340 — Hardware, Commercial
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL COMP 1213
design_typeSOLID
end_diameter0.6050 INCHES MINIMUM AND 0.6150 INCHES MAXIMUM IN
bore_diameter0.3590 INCHES NOMINAL IN
overall_height0.5930 INCHES NOMINAL IN
features_providedCASEHARDENED
first_step_length0.0930 INCHES NOMINAL IN
counterbore_length0.2660 INCHES NOMINAL IN
first_step_diameter0.8120 INCHES NOMINAL IN
second_end_diameter0.6000 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
counterbore_diameter0.5130 INCHES MINIMUM AND 0.5180 INCHES MAXIMUM IN
countersink_diameter0.4680 INCHES NOMINAL IN
NSN5340-00-024-2185
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 220212A 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
•
COUNTERSINK ANGLE IN DEG: 15.0
•
FSC APPLICATION DATA: RETAINERS,VALVE SPRING,GASOLINE ENGINE,NONAIRCRAFT
•
FIRST STEP DIAMETER: 0.8120 INCHES NOMINAL IN
•
END DIAMETER: 0.6050 INCHES MINIMUM AND 0.6150 INCHES MAXIMUM IN
•
COUNTERSINK DIAMETER: 0.4680 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.6000 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.1270 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.5930 INCHES NOMINAL IN
COUNTERSINK ANGLE IN DEG15.0
FSC APPLICATION DATARETAINERS,VALVE SPRING,GASOLINE ENGINE,NONAIRCRAFT
FIRST STEP DIAMETER0.8120 INCHES NOMINAL IN
END DIAMETER0.6050 INCHES MINIMUM AND 0.6150 INCHES MAXIMUM IN
COUNTERSINK DIAMETER0.4680 INCHES NOMINAL IN
SECOND END DIAMETER0.6000 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.1270 INCHES NOMINAL IN
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1113 ASSN STD SINGLE MATERIAL RESPONSE
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 220212A?
220212A is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 220212A?
220212A is cataloged in the U.S. Government catalog under NSN 5340-00-024-2185. 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.