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PartsTable / COMPONENT / 22850 PIECE 43
22850 PIECE 43 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 410, style_designator: SEAT, material_document_and_classification: ASTM A276, TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-150-1388, 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
22850 PIECE 43
NSN: 5340-01-150-1388
FSC: 5340
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 410
style_designatorSEAT
material_document_and_classificationASTM A276, TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-150-1388
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 22850 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
•
MATERIAL: STEEL COMP 410
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276, TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 410
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276, TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
20140-0351Interchangeable
interchangeable cross-reference
interchangeable
22705Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-5392AInterchangeable
interchangeable cross-reference
interchangeable
53118Interchangeable
interchangeable cross-reference
interchangeable
B107.48Interchangeable
interchangeable cross-reference
interchangeable
B107.48 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 22850 PIECE 43?
22850 PIECE 43 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 22850 PIECE 43?
There are 11 known substitutes for 22850 PIECE 43: 20140-0351, 22705, MIL-I-5392A and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 22850 PIECE 43?
22850 PIECE 43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-150-1388. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026