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Technical Data Sheet
PartsTable / COMPONENT / B-39
B-39 ✓ 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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include color: HERITAGE GREEN 564, PUTTY HCW 67197, OLIVE DRAB HAH 67133 LOCATION NOT OTHERWISE SPECIFIED, material: OIL LUBRICATING LUBRICATION, bore_shape: STRAIGHT, design_type: NONREUSABLE, construction: ONE-PIECE, bore_diameter: 12.00 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-139-6943, 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
B-39
NSN: 5330-00-139-6943
FSC: 5330
CAGE: 80850 — INTERLINE BRANDS, INC. DBA J. A. SEXAUER (USA)
SPECIFICATIONS
colorHERITAGE GREEN 564, PUTTY HCW 67197, OLIVE DRAB HAH 67133 LOCATION NOT OTHERWISE SPECIFIED
materialOIL LUBRICATING LUBRICATION
bore_shapeSTRAIGHT
design_typeNONREUSABLE
constructionONE-PIECE
bore_diameter12.00 MILLIMETERS NOMINAL MM
overall_width2.625 INCHES NOMINAL IN
body_thickness0.766 INCHES NOMINAL IN
fiber_materialRAYON CHEVRON
flow_directionPARALLEL
load_directionRADIAL
overall_length2.990 INCHES NOMINAL IN
NSN5330-00-139-6943
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B-39 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
5520Interchangeable
interchangeable cross-reference
interchangeable
BT5520Interchangeable
interchangeable cross-reference
interchangeable
956857Interchangeable
interchangeable cross-reference
interchangeable
W368Interchangeable
interchangeable cross-reference
interchangeable
3201XR1AInterchangeable
interchangeable cross-reference
interchangeable
215-30172-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-39?
B-39 is a FILTER ELEMENT,FLUID.
What parts can replace B-39?
There are 23 known substitutes for B-39: 5520, BT5520, 956857 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-39?
B-39 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-139-6943. 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