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313-5748998 — HOSE,AIR DUCT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

313-5748998: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY, wall_thickness: 0.065 INCHES NOMINAL IN, connection_type: SOFT FIRST END, inside_diameter: 3.000 INCHES NOMINAL FIRST END IN, connection_style: ROUND FIRST END, style_designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-227-0894, 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
313-5748998
NSN: 4730-01-227-0894
NIINs: 012270894, 012271116, 013053935
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY
wall_thickness0.065 INCHES NOMINAL IN
connection_typeSOFT FIRST END
inside_diameter3.000 INCHES NOMINAL FIRST END IN
connection_styleROUND FIRST END
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
features_providedOZONE RESISTANT
end_overall_length1.500 INCHES NOMINAL FIRST END IN
operating_pressure4.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_inside_diameter3.000 INCHES NOMINAL FIRST END IN
cross-sectional_shape_styleROUND
measuring_method_and_length57.000 INCHES NOMINAL OVERALL IN
NSN4730-01-227-0894
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 313-5748998 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE DIAMETER: 6.000 INCHES NOMINAL IN
•
FACE SEATING SURFACE CONDITION: MACHINED
•
FLANGE SECTION STYLE: PLAIN FACE
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
BOLT HOLE DIAMETER: 0.780 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 4.750 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER6.000 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITIONMACHINED
FLANGE SECTION STYLEPLAIN FACE
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER0.780 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER4.750 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
THICKNESS0.063 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
5748998-8Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5748998-007Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 313-5748998?
313-5748998 is a HOSE,AIR DUCT.
What parts can replace 313-5748998?
There are 2 known substitutes for 313-5748998: 5748998-8, 5748998-007. Substitute compatibility should be verified for your specific system.
What is the NSN for 313-5748998?
313-5748998 is cataloged in the U.S. Government catalog under NSN 4730-01-227-0894. This indicates validated use in U.S. government and defense supply chains.
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