PartsTable
Technical Data Sheet
Download PDF

403-33A-03 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

403-33A-03: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. This part is cataloged in the U.S. Government catalog under NSN 5340-01-507-9808, 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
403-33A-03
NSN: 5340-01-507-9808
FSC: 5340 — Hardware, Commercial
CAGE: 14561 — MAGNATROL VALVE CORP DIV CLARK-COOPER (USA)
SPECIFICATIONS
Part Number403-33A-03
NSN5340-01-507-9808
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 403-33A-03 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
SUBSTITUTES & CROSS-REFERENCES 2
ADV-852D ITEM 28Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
ADV-852DReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 403-33A-03?
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 403-33A-03?
403-33A-03 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 403-33A-03?
There are 2 known substitutes for 403-33A-03: ADV-852D ITEM 28, ADV-852D. Substitute compatibility should be verified for your specific system.
What is the NSN for 403-33A-03?
403-33A-03 is cataloged in the U.S. Government catalog under NSN 5340-01-507-9808. 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 — 403-33A-03