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Technical Data Sheet
PartsTable / COMPONENT / M13531-B6A-BULK
M13531-B6A-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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: RUBBER SYNTHETIC TUBE, temp_rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 0.375 INCHES NOMINAL IN, outside_diameter: 0.843 INCHES NOMINAL IN, operating_pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, burst_test_pressure: 16000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-930-4514, 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-B6A-BULK
NSN: 4720-00-930-4514
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
temp_rating-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter0.375 INCHES NOMINAL IN
outside_diameter0.843 INCHES NOMINAL IN
operating_pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
burst_test_pressure16000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
hydrostatic_test_pressure8000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
cross-sectional_shape_styleROUND
nondefinitive_spec/std_data2 TYPE AND A CLASS
specification/standard_data81349-MIL-H-13531/MO GOVERNMENT SPECIFICATION
NSN4720-00-930-4514
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M13531-B6A-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
KEY FEATURES
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
•
BURST TEST PRESSURE: 16000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
MATERIAL: RUBBER SYNTHETIC TUBE
•
INSIDE SURFACE CONDITION: SMOOTH
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
OUTER COVERING ENVIRONMENTAL PROTECTION: MILDEW RESISTANT AND OIL RESISTANT AND OZONE RESISTANT
•
HYDROSTATIC TEST PRESSURE: 8000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
OPERATING PRESSURE: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
BURST TEST PRESSURE16000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
MATERIALRUBBER SYNTHETIC TUBE
INSIDE SURFACE CONDITIONSMOOTH
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
OUTER COVERING ENVIRONMENTAL PROTECTIONMILDEW RESISTANT AND OIL RESISTANT AND OZONE RESISTANT
HYDROSTATIC TEST PRESSURE8000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA81349-MIL-H-13531/MO GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A CLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
144EX29Interchangeable
interchangeable cross-reference
interchangeable
665Interchangeable
interchangeable cross-reference
interchangeable
2CR440Interchangeable
interchangeable cross-reference
interchangeable
2584-616Interchangeable
interchangeable cross-reference
interchangeable
60RAInterchangeable
interchangeable cross-reference
interchangeable
2426Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M13531-B6A-BULK?
M13531-B6A-BULK is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace M13531-B6A-BULK?
There are 25 known substitutes for M13531-B6A-BULK: 144EX29, 665, 2CR440 and 22 more. Substitute compatibility should be verified for your specific system.
Is M13531-B6A-BULK still available?
M13531-B6A-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