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Technical Data Sheet
PartsTable / COMPONENT / 99S3-4
99S3-4 ✓ 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 HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include temp_rating: -67.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF, exterior_color: BLACK, vacuum_in_torr: 508.0, inside_diameter: 0.750 INCHES NOMINAL IN, outside_diameter: 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, special_features: MATERIAL: RUBBER SYNTHETIC TUBE; CROSS-SECTIONAL SHAPE STYLE: ROUND. 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
99S3-4
NSN: 4720-00-235-4131
FSC: 4720
CAGE: 06840 — BENDIX CORP THE (USA)
SPECIFICATIONS
temp_rating-67.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
exterior_colorBLACK
vacuum_in_torr508.0
inside_diameter0.750 INCHES NOMINAL IN
outside_diameter1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
special_featuresMATERIAL: RUBBER SYNTHETIC TUBE; CROSS-SECTIONAL SHAPE STYLE: ROUND
operating_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure500.0 POUNDS PER SQUARE INCH LBS
end_item_identification2320-01-230-0307
inside_surface_conditionSMOOTH
media_for_which_designedAIR AND FUEL/OIL, HYDROCARBON AND WATER SINGLE RESPONSE
hydrostatic_test_pressure250.0 POUNDS PER SQUARE INCH LBS
NSN4720-00-235-4131
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 99S3-4 · 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
•
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 24
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 99S3-4?
99S3-4 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 99S3-4?
There are 24 known substitutes for 99S3-4: 20812-1, 46589D, 20812 and 21 more. Substitute compatibility should be verified for your specific system.
Is 99S3-4 still available?
99S3-4 is currently cancelled.
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Last verified: July 2026