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110-1220 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

110-1220: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.6875 INCHES NOMINAL IN, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_height: 0.5312 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-163-7368, 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
110-1220
NSN: 5340-00-163-7368
NIINs: 001637368, 009728871
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.6875 INCHES NOMINAL IN
bore_diameter0.3750 INCHES NOMINAL IN
overall_height0.5312 INCHES NOMINAL IN
style_designatorSEAT
first_step_length0.1562 INCHES NOMINAL IN
counterbore_length0.4375 INCHES NOMINAL IN
first_step_diameter0.8750 INCHES NOMINAL IN
counterbore_diameter0.5000 INCHES NOMINAL IN
second_step_diameter1.1875 INCHES NOMINAL IN
second_counterbore_length0.2187 INCHES NOMINAL IN
NSN5340-00-163-7368
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 110-1220 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
•
FLANGE DIAMETER: 1.188 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: COMP B1112 OR STEEL COMP B1113 ASSN STD SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1212 OR STEEL COMP 1213
•
END HOLE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER1.188 INCHES NOMINAL IN
OVERALL HEIGHT0.531 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONCOMP B1112 OR STEEL COMP B1113 ASSN STD SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIALSTEEL COMP 1212 OR STEEL COMP 1213
END HOLE DIAMETER0.375 INCHES NOMINAL IN
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 110-1220?
110-1220 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 110-1220?
110-1220 is cataloged in the U.S. Government catalog under NSN 5340-00-163-7368. 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.