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Technical Data Sheet
B135-3-4 ✓ 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 HOSE ASSEMBLY SET,NONMETALLIC is a the manufacturer industrial component. Key specifications include length: 0.496 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: COPPER ALLOY 922 SEAT, stem_type: NONRISING, valve_size: 0.750 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-053-3554, 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
B135-3-4
NSN: 5340-00-053-3554
FSC: 5340
CAGE: 54089 — DRS C3 & AVIATION COMPANY DBA DRS DATA & IMAGING SYSTEMS (USA)
SPECIFICATIONS
length0.496 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialCOPPER ALLOY 922 SEAT
stem_typeNONRISING
valve_size0.750 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
groove_width0.050 INCHES NOMINAL IN
usage_designYELLOW JACKET CHARGING HOSE SET WITH COMPACT BALL,1/4 IN IN
pressure_classERR-060
connection_typeTHREADED INTERNAL PIPE
flange_diameter0.500 INCHES NOMINAL IN
groove_diameter0.075 INCHES NOMINAL IN
NSN5340-00-053-3554
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B135-3-4 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 SHAPE: ROUND
LEFT COUNTERBORE DIAMETER: 0.375 INCHES NOMINAL IN
STYLE DESIGNATOR: PROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD
LEFT COUNTERBORE DEPTH: 0.031 INCHES NOMINAL IN
DIAMETER: 0.250 INCHES NOMINAL IN
GROOVE WIDTH: 0.050 INCHES NOMINAL IN
FLANGE DIAMETER: 0.500 INCHES NOMINAL IN
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPEROUND
LEFT COUNTERBORE DIAMETER0.375 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD
LEFT COUNTERBORE DEPTH0.031 INCHES NOMINAL IN
DIAMETER0.250 INCHES NOMINAL IN
GROOVE WIDTH0.050 INCHES NOMINAL IN
FLANGE DIAMETER0.500 INCHES NOMINAL IN
FLANGE THICKNESS0.125 INCHES NOMINAL IN
GROOVE DIAMETER0.075 INCHES NOMINAL IN
LENGTH0.496 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
F1G404-3-4Interchangeable
interchangeable cross-reference
interchangeable
1153 .75INInterchangeable
interchangeable cross-reference
interchangeable
B135-3-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B135-3-4?
B135-3-4 is a HOSE ASSEMBLY SET,NONMETALLIC.
What parts can replace B135-3-4?
There are 3 known substitutes for B135-3-4: F1G404-3-4, 1153 .75IN, B135-3-4. Substitute compatibility should be verified for your specific system.
What is the NSN for B135-3-4?
B135-3-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-053-3554. This indicates validated use in U.S. government and defense supply chains.
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