PartsTable
Technical Data Sheet
PartsTable / O-RING / 0.170X.040-70S
0.170X.040-70S ✓ 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

The 0.170X.040-70S is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-312-2635, 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
0.170X.040-70S
NSN: 5331-01-312-2635
FSC: 5331 — O-RING
CAGE: 62351 — APPLE RUBBER PRODUCTS, INC. DBA APPLE RUBBER PRODUCTS INC (USA)
SPECIFICATIONS
Part Number0.170X.040-70S
NSN5331-01-312-2635
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0.170X.040-70S 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
•
CENTER HOLE DIAMETER: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
ST737BInterchangeable
interchangeable cross-reference
interchangeable
252727Interchangeable
interchangeable cross-reference
interchangeable
12Z7113-67Interchangeable
interchangeable cross-reference
interchangeable
IM-4 0.58UH 2PCTInterchangeable
interchangeable cross-reference
interchangeable
9100-3318Interchangeable
interchangeable cross-reference
interchangeable
30114-9GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.170X.040-70S?
0.170X.040-70S is a 0.170X.040-70S.
What parts can replace 0.170X.040-70S?
There are 9 known substitutes for 0.170X.040-70S: ST737B, 252727, 12Z7113-67 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.170X.040-70S?
0.170X.040-70S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-312-2635. 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