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501-749 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

501-749: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include flow_angle: 90.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.312 INCHES NOMINAL IN, connection_style: SWIVEL NUT, GASKET SEAL FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-903-7849, 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
501-749
NSN: 5331-00-903-7849
NIINs: 009037849, 013659104
FSC: 5331 — O-ring
CAGE: 62793 — BFM ENERGY PRODUCTS CORP (USA)
SPECIFICATIONS
flow_angle90.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.312 INCHES NOMINAL IN
connection_styleSWIVEL NUT, GASKET SEAL FIRST END
outside_diameter0.680 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
features_providedPERFORATED OUTER COVER
operating_pressure350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure1750.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size1.000 INCHES FIRST END IN
NSN5331-00-903-7849
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 501-749 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 HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 22.500 INCHES MINIMUM AND 22.703 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CENTER HOLE DIAMETER22.500 INCHES MINIMUM AND 22.703 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 501-749?
501-749 is a HOSE ASSEMBLY,NONMETALLIC.
What is the NSN for 501-749?
501-749 is cataloged in the U.S. Government catalog under NSN 5331-00-903-7849. This indicates validated use in U.S. government and defense supply chains.
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