PartsTable
Technical Data Sheet
PartsTable / MRO / 334B
334B ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The TEST SET,RESOLUTION is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER OVERALL, outside_diameter: 6.875 INCHES NOMINAL IN, aperture_diameter: 6.250 INCHES NOMINAL IN, end_item_identification: VINSON INSTALLATION KITS AND COMPONENTS, cross-sectional_thickness: 0.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-308-9785, 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
MRO→ MRO_GENERAL→ 334B
NSN: 5330-00-308-9785
FSC: 5330
CAGE: 0BR59 — SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND DIV SGT DRESSER-RAND (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER OVERALL
outside_diameter6.875 INCHES NOMINAL IN
aperture_diameter6.250 INCHES NOMINAL IN
end_item_identificationVINSON INSTALLATION KITS AND COMPONENTS
cross-sectional_thickness0.312 INCHES NOMINAL IN
NSN5330-00-308-9785
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 334B 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
•
CROSS-SECTIONAL THICKNESS: 0.312 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 6.875 INCHES NOMINAL IN
•
APERTURE DIAMETER: 6.250 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND RUBBER OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.312 INCHES NOMINAL IN
OUTSIDE DIAMETER6.875 INCHES NOMINAL IN
APERTURE DIAMETER6.250 INCHES NOMINAL IN
MATERIALASBESTOS AND RUBBER OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
948Interchangeable
interchangeable cross-reference
interchangeable
135537Interchangeable
interchangeable cross-reference
interchangeable
SC-B-99667Interchangeable
interchangeable cross-reference
interchangeable
AS10582-002Interchangeable
interchangeable cross-reference
interchangeable
149117Interchangeable
interchangeable cross-reference
interchangeable
149117H1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 334B?
334B is a TEST SET,RESOLUTION. It is classified as a MRO (MRO_GENERAL).
What parts can replace 334B?
There are 18 known substitutes for 334B: 948, 135537, SC-B-99667 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 334B?
334B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-308-9785. 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