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Technical Data Sheet
PartsTable / COMPONENT / MIL-H-13444, TYPE I, SIZE -4
MIL-H-13444, TYPE I, SIZE -4 ✓ 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 MIL-H-13444, TYPE I, SIZE -4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-913-5910, 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
MIL-H-13444, TYPE I, SIZE -4
NSN: 4720-00-913-5910
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-H-13444, TYPE I, SIZE -4
NSN4720-00-913-5910
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: MIL-H-13444, TYPE I, SIZE -4 · 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
•
TEMP RATING: -67.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
OUTSIDE DIAMETER: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
OUTER COVERING ENVIRONMENTAL PROTECTION: FUEL RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND VIBRATION RESISTANT
•
MINIMUM INSIDE BENDING RADIUS: 2.250 INCHES IN
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-67.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
OUTSIDE DIAMETER0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
OUTER COVERING ENVIRONMENTAL PROTECTIONFUEL RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND VIBRATION RESISTANT
MINIMUM INSIDE BENDING RADIUS2.250 INCHES IN
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
SPECIAL FEATURESMATERIAL: RUBBER TUBE; CROSS-SECTIONAL SHAPE STYLE: ROUND
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
NONDEFINITIVE SPEC/STD DATA1 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
203909Interchangeable
interchangeable cross-reference
interchangeable
303111Interchangeable
interchangeable cross-reference
interchangeable
223909Interchangeable
interchangeable cross-reference
interchangeable
303617Interchangeable
interchangeable cross-reference
interchangeable
0303617Interchangeable
interchangeable cross-reference
interchangeable
307403Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-H-13444, TYPE I, SIZE -4?
MIL-H-13444, TYPE I, SIZE -4 is a MIL-H-13444, TYPE I, SIZE -4.
What parts can replace MIL-H-13444, TYPE I, SIZE -4?
There are 25 known substitutes for MIL-H-13444, TYPE I, SIZE -4: 203909, 303111, 223909 and 22 more. Substitute compatibility should be verified for your specific system.
Is MIL-H-13444, TYPE I, SIZE -4 still available?
MIL-H-13444, TYPE I, SIZE -4 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