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Technical Data Sheet
PartsTable / O-RING / 179305
179305 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, overall_length: 50.0 MILLIMETERS NOMINAL MM, features_provided: STERILE, design_designation: AUTO SUTURE, special_test_features: THIS ITEM IS DISPOSABLE, part_name_assigned_by_controlling_agency: TROCAR AUTO SUTURE DSGN 50MM LG BLUNT TIPPED OBTURATOR PLAS 12S MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-263-8029, 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
179305
NSN: 5331-00-263-8029
FSC: 5331 — O-RING
CAGE: 91265 — PARKER-HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
overall_length50.0 MILLIMETERS NOMINAL MM
features_providedSTERILE
design_designationAUTO SUTURE
special_test_featuresTHIS ITEM IS DISPOSABLE
part_name_assigned_by_controlling_agencyTROCAR AUTO SUTURE DSGN 50MM LG BLUNT TIPPED OBTURATOR PLAS 12S MM
NSN5331-00-263-8029
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 179305 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: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
3200-911Interchangeable
interchangeable cross-reference
interchangeable
10132432Interchangeable
interchangeable cross-reference
interchangeable
53578Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 25Interchangeable
interchangeable cross-reference
interchangeable
1940Interchangeable
interchangeable cross-reference
interchangeable
457-6005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 179305?
179305 is a O-RING.
What parts can replace 179305?
There are 28 known substitutes for 179305: 3200-911, 10132432, 53578 and 25 more. Substitute compatibility should be verified for your specific system.
Is 179305 still available?
179305 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