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Technical Data Sheet
PartsTable / COMPONENT / 531-6985694-F263
531-6985694-F263 ✓ 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 temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 1.539 INCHES MAXIMUM IN, outside_diameter: 2.297 INCHES MAXIMUM IN, operating_pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS, burst_test_pressure: 4000.0 POUNDS PER SQUARE INCH LBS, end_item_identification: R.O. UNIT PORT (PIPING 4000 GPD SEAWATER-BRINE-PERM PORT); WSD: LOS ANGELES CLASS SSN (688).

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-501-6902, 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
531-6985694-F263
NSN: 4720-01-501-6902
FSC: 4720
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter1.539 INCHES MAXIMUM IN
outside_diameter2.297 INCHES MAXIMUM IN
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure4000.0 POUNDS PER SQUARE INCH LBS
end_item_identificationR.O. UNIT PORT (PIPING 4000 GPD SEAWATER-BRINE-PERM PORT); WSD: LOS ANGELES CLASS SSN (688)
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
measuring_method_and_length15.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
nondefinitive_spec/std_data24 SIZE
specification/standard_data81349-MIL-H-24136/2 GOVERNMENT SPECIFICATION
minimum_inside_bending_radius20.000 INCHES IN
NSN4720-01-501-6902
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 531-6985694-F263 · 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: 4000.0 POUNDS PER SQUARE INCH LBS
•
OUTSIDE DIAMETER: 2.297 INCHES MAXIMUM IN
•
MINIMUM INSIDE BENDING RADIUS: 20.000 INCHES IN
•
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
INSIDE SURFACE CONDITION: SMOOTH
•
NONDEFINITIVE SPEC/STD DATA: 24 SIZE
TECHNICAL CHARACTERISTICS (FLIS)
BURST TEST PRESSURE4000.0 POUNDS PER SQUARE INCH LBS
END ITEM IDENTIFICATIONR.O. UNIT PORT (PIPING 4000 GPD SEAWATER-BRINE-PERM PORT); WSD: LOS ANGELES CLASS SSN (688)
OUTSIDE DIAMETER2.297 INCHES MAXIMUM IN
MINIMUM INSIDE BENDING RADIUS20.000 INCHES IN
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESHOSE ASSY CONSISTS OF PN: F263-1, HOSE, 81349/MIL-H-24136/2 AND 81349/MIL-H-24136; PN: F263-2, FITTING STR END, -24 HOSE X 3.062-12, 32142/EF-HM1489C-2424, AND PN: F263-3, FITTING STR END, -24 HOSE X 3.062-12, 81349/MIL-H-24136/2 FIG 4 TY I 81349/MIL-H-24136; HOSE MATERIAL: SYNTHETIC RUBBER AND SYNTHETIC FIBER REINFORCED
INSIDE SURFACE CONDITIONSMOOTH
NONDEFINITIVE SPEC/STD DATA24 SIZE
INSIDE DIAMETER1.539 INCHES MAXIMUM IN
MEASURING METHOD AND LENGTH15.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
M24136/2-08Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-24136/2Interchangeable
interchangeable cross-reference
interchangeable
0678-002 PC29,3Interchangeable
interchangeable cross-reference
interchangeable
FC133-32Interchangeable
interchangeable cross-reference
interchangeable
M24136/2-32Interchangeable
interchangeable cross-reference
interchangeable
48-00-0547Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 531-6985694-F263?
531-6985694-F263 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 531-6985694-F263?
There are 30 known substitutes for 531-6985694-F263: M24136/2-08, MIL-DTL-24136/2, 0678-002 PC29,3 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 531-6985694-F263?
531-6985694-F263 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-501-6902. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026