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Technical Data Sheet
PartsTable / COMPONENT / M13531-B12A-BULK
M13531-B12A-BULK ✓ 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,NONMETALLIC is a the manufacturer industrial component. Key specifications include phase: THREE, material: STEEL OVERALL, duty_type: CONTINUOUS, duty_cycle: CONTINUOUS, point_type: CONVENTIONAL, body_length: 0.660 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-639-9899, 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
M13531-B12A-BULK
NSN: 4720-00-639-9899
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
phaseTHREE
materialSTEEL OVERALL
duty_typeCONTINUOUS
duty_cycleCONTINUOUS
point_typeCONVENTIONAL
body_length0.660 INCHES NOMINAL IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
ambient_temp50.0 CELSIUS DEGC
control_typeLOCAL
flute_length2.875 INCHES NOMINAL IN
carrying_casePROVIDED
NSN4720-00-639-9899
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M13531-B12A-BULK · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
2781-4Interchangeable
interchangeable cross-reference
interchangeable
RH19B25Interchangeable
interchangeable cross-reference
interchangeable
276612Interchangeable
interchangeable cross-reference
interchangeable
7-545-203620Interchangeable
interchangeable cross-reference
interchangeable
6C6MS36Interchangeable
interchangeable cross-reference
interchangeable
100R2 TYPE AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M13531-B12A-BULK?
M13531-B12A-BULK is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace M13531-B12A-BULK?
There are 23 known substitutes for M13531-B12A-BULK: 2781-4, RH19B25, 276612 and 20 more. Substitute compatibility should be verified for your specific system.
Is M13531-B12A-BULK still available?
M13531-B12A-BULK 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