PartsTable
Technical Data Sheet
PartsTable / O-RING / 755175-3
755175-3 ✓ 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 PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.1557 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN, material: TUNGSTEN ALLOY OVERALL, overall_length: 0.4105 INCHES MINIMUM AND 0.4115 INCHES MAXIMUM IN, undercut_width: 0.055 INCHES NOMINAL IN, first_end_style: OVAL, effective_length: 0.315 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-527-8522, 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
755175-3
NSN: 5331-00-527-8522
FSC: 5331 — O-RING
CAGE: 05228 — PTI TECHNOLOGIES INC. (USA)
SPECIFICATIONS
diameter0.1557 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
materialTUNGSTEN ALLOY OVERALL
overall_length0.4105 INCHES MINIMUM AND 0.4115 INCHES MAXIMUM IN
undercut_width0.055 INCHES NOMINAL IN
first_end_styleOVAL
effective_length0.315 INCHES NOMINAL IN
second_end_styleSQUARE
style_designatorGROOVE
undercut_diameter0.1317 INCHES MINIMUM AND 0.1482 INCHES MAXIMUM IN
first_end_locationOVAL END
first_end_outer_radius0.375 INCHES NOMINAL IN
material_document_and_classificationTUNGSTEN CARBIDE KENNAMETAL GR K6 FSCM 85597 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5331-00-527-8522
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 755175-3 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: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
13998Interchangeable
interchangeable cross-reference
interchangeable
2-145 N674-70Interchangeable
interchangeable cross-reference
interchangeable
P40409Interchangeable
interchangeable cross-reference
interchangeable
AS568B-145Interchangeable
interchangeable cross-reference
interchangeable
142-363Interchangeable
interchangeable cross-reference
interchangeable
1452Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 755175-3?
755175-3 is a PIN,GROOVED,HEADLESS.
What parts can replace 755175-3?
There are 23 known substitutes for 755175-3: 13998, 2-145 N674-70, P40409 and 20 more. Substitute compatibility should be verified for your specific system.
Is 755175-3 still available?
755175-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026