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Technical Data Sheet
PartsTable / COMPONENT / M13444, TYPE I, SIZE 12
M13444, TYPE I, SIZE 12 ✓ 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 M13444, TYPE I, SIZE 12 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-235-4131, 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
M13444, TYPE I, SIZE 12
NSN: 4720-00-235-4131
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM13444, TYPE I, SIZE 12
NSN4720-00-235-4131
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M13444, TYPE I, SIZE 12 · 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
•
BURST TEST PRESSURE: 500.0 POUNDS PER SQUARE INCH LBS
•
EXTERIOR COLOR: BLACK
•
MINIMUM INSIDE BENDING RADIUS: 5.500 INCHES IN
•
OUTSIDE DIAMETER: 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER RUBBER IMPREGNATED FABRIC AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
•
INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BURST TEST PRESSURE500.0 POUNDS PER SQUARE INCH LBS
END ITEM IDENTIFICATION2320-01-230-0307
EXTERIOR COLORBLACK
MINIMUM INSIDE BENDING RADIUS5.500 INCHES IN
OUTSIDE DIAMETER1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
SPECIAL FEATURESMATERIAL: RUBBER SYNTHETIC TUBE; CROSS-SECTIONAL SHAPE STYLE: ROUND
LAYER COMPOSITION AND LOCATION1ST LAYER RUBBER IMPREGNATED FABRIC AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
INSIDE DIAMETER0.750 INCHES NOMINAL IN
VACUUM IN TORR508.0
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 12 SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
20812-1Interchangeable
interchangeable cross-reference
interchangeable
46589DInterchangeable
interchangeable cross-reference
interchangeable
20812Interchangeable
interchangeable cross-reference
interchangeable
MS36068-2Interchangeable
interchangeable cross-reference
interchangeable
NNN-F-289Interchangeable
interchangeable cross-reference
interchangeable
NNN-F-289 TY1ST1CLAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M13444, TYPE I, SIZE 12?
M13444, TYPE I, SIZE 12 is a M13444, TYPE I, SIZE 12.
What parts can replace M13444, TYPE I, SIZE 12?
There are 25 known substitutes for M13444, TYPE I, SIZE 12: 20812-1, 46589D, 20812 and 22 more. Substitute compatibility should be verified for your specific system.
Is M13444, TYPE I, SIZE 12 still available?
M13444, TYPE I, SIZE 12 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