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Technical Data Sheet
PartsTable / COMPONENT / DR274-48
DR274-48 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,AIR BREATHING is a the manufacturer industrial component. Key specifications include material: COTTON AND FIBERGLASS FIRST PLY, hose_weight: 7.000 OUNCES PER LINEAR FOOT OZ, coupling_style: OXYGEN HOSE CLAMP FIRST END, wall_thickness: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN, connection_type: SOFT FIRST END, inside_diameter: 0.750 INCHES NOMINAL FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-091-2710, 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
DR274-48
NSN: 4720-00-091-2710
FSC: 4720
CAGE: 81300 — PARKER-HANNIFIN CORPORATION DBA INDUSTRIAL HOSE PRODUCT DIVISION DIV HOSE PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialCOTTON AND FIBERGLASS FIRST PLY
hose_weight7.000 OUNCES PER LINEAR FOOT OZ
coupling_styleOXYGEN HOSE CLAMP FIRST END
wall_thickness0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
connection_typeSOFT FIRST END
inside_diameter0.750 INCHES NOMINAL FIRST END IN
connection_styleROUND BOTH ENDS
outside_diameter1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM BOTH ENDS IN
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
features_providedOZONE RESISTANT AND COMMUNICATION CABLE
surface_treatmentCHROMATE ZINC SECOND END COUPLING
end_overall_length0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM BOTH ENDS IN
NSN4720-00-091-2710
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: DR274-48 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
•
END OVERALL LENGTH: 0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM BOTH ENDS IN
•
SURFACE TREATMENT: CHROMATE ZINC SECOND END COUPLING
•
FEATURES PROVIDED: OZONE RESISTANT AND COMMUNICATION CABLE
•
CONNECTION STYLE: ROUND BOTH ENDS
•
COUPLING STYLE: CONNECTOR, OXYGEN HOSE TO REGULATOR W/ CLIP (NOTE: APPLICABLE TO HOSE ASSEMBLY, AIR BREATHING ONLY.) SECOND END
•
HOSE WEIGHT: 7.000 OUNCES PER LINEAR FOOT OZ
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
END OVERALL LENGTH0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM BOTH ENDS IN
SURFACE TREATMENTCHROMATE ZINC SECOND END COUPLING
FEATURES PROVIDEDOZONE RESISTANT AND COMMUNICATION CABLE
CONNECTION STYLEROUND BOTH ENDS
COUPLING STYLECONNECTOR, OXYGEN HOSE TO REGULATOR W/ CLIP (NOTE: APPLICABLE TO HOSE ASSEMBLY, AIR BREATHING ONLY.) SECOND END
HOSE WEIGHT7.000 OUNCES PER LINEAR FOOT OZ
SPECIAL FEATURESEND SIMILARITY:NOT IDENTICAL; HOSE STYLE:HELICALLY WOUND CONTINUOUS WIRE SUPPORTED, STYLE NO. 4 FROM OLD FIIG A22900; SCUFF STRIP:NOT INCLUDED; HOSE MATERIAL:ANY ACCEPTABLE; RESTRAINT CORD:NOT INCLUDED
COUPLING STYLEOXYGEN HOSE CLAMP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-777 FED SPEC SINGLE MATERIAL RESPONSE SECOND END COUPLING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
REDAR-A10023-15Interchangeable
Same NIIN cross-reference
interchangeable
MIL-DTL-81581Interchangeable
Same NIIN cross-reference
interchangeable
MS22055C48Interchangeable
Same NIIN cross-reference
interchangeable
D100-548Interchangeable
Same NIIN cross-reference
interchangeable
A10023-15Interchangeable
Same NIIN cross-reference
interchangeable
33C1078-48ZInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DR274-48?
DR274-48 is a HOSE ASSEMBLY,AIR BREATHING.
What parts can replace DR274-48?
There are 6 known substitutes for DR274-48: REDAR-A10023-15, MIL-DTL-81581, MS22055C48 and 3 more. Substitute compatibility should be verified for your specific system.
Is DR274-48 still available?
DR274-48 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026