PartsTable
Technical Data Sheet
Download PDF

217202-1 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

217202-1: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include special_features: CRIMPER ATTACHES VIA FOUR QUICK PINS, basic_shape_style: MECHANICAL COMPRESSION, mounting_method_style: STRAIGHT FOUR HOLE, end_item_identification: HELICOPTER, APACHE AH-D64, part_name_assigned_by_controlling_agency: T-HEAD CRIMPER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-758-8702, 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
217202-1
NSN: 5340-00-758-8702
NIINs: 007588702, 015396650
FSC: 5340 — Hardware, Commercial
CAGE: 33068 — TRIUMPH ACTUATION SYSTEMS - CONNECTICUT, LLC (USA)
SPECIFICATIONS
special_featuresCRIMPER ATTACHES VIA FOUR QUICK PINS
basic_shape_styleMECHANICAL COMPRESSION
mounting_method_styleSTRAIGHT FOUR HOLE
end_item_identificationHELICOPTER, APACHE AH-D64
part_name_assigned_by_controlling_agencyT-HEAD CRIMPER
NSN5340-00-758-8702
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 217202-1 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: 0.4950 INCHES NOMINAL IN
•
END DIAMETER: 0.1887 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.2000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE LENGTH: 0.1250 INCHES NOMINAL IN
•
COUNTERBORE DIAMETER: 0.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.5000 INCHES NOMINAL IN
FIRST STEP DIAMETER0.4950 INCHES NOMINAL IN
END DIAMETER0.1887 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.2000 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.1250 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.2500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
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
Ready to buy 217202-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 217202-1?
217202-1 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 217202-1?
217202-1 is cataloged in the U.S. Government catalog under NSN 5340-00-758-8702. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 217202-1

✓ 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.