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Technical Data Sheet
PartsTable / COMPONENT / 99S103
99S103 ✓ 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 material: RUBBER SYNTHETIC TUBE, temp_rating: -60.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 0.500 INCHES NOMINAL IN, outside_diameter: 0.875 INCHES NOMINAL IN, burst_test_pressure: 900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS, inside_surface_condition: SMOOTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-287-1621, 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
99S103
NSN: 4720-00-287-1621
FSC: 4720
CAGE: 54539 — ENERQUIP, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
temp_rating-60.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter0.500 INCHES NOMINAL IN
outside_diameter0.875 INCHES NOMINAL IN
burst_test_pressure900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
nondefinitive_spec/std_data1 TYPE AND 2 CLASS
outer_covering_environmental_protectionOZONE RESISTANT AND MILDEW RESISTANT
NSN4720-00-287-1621
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 99S103 · 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
•
MATERIAL: RUBBER SYNTHETIC TUBE
•
INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS
•
BURST TEST PRESSURE: 900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
INSIDE SURFACE CONDITION: SMOOTH
•
OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
TEMP RATING: -60.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC TUBE
INSIDE DIAMETER0.500 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS
BURST TEST PRESSURE900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
INSIDE SURFACE CONDITIONSMOOTH
OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
TEMP RATING-60.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
CROSS-SECTIONAL SHAPE STYLEROUND
OUTER COVERING ENVIRONMENTAL PROTECTIONOZONE RESISTANT AND MILDEW RESISTANT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
MIL-H-3992Interchangeable
interchangeable cross-reference
interchangeable
29862-HBInterchangeable
interchangeable cross-reference
interchangeable
228552Interchangeable
interchangeable cross-reference
interchangeable
228534Interchangeable
interchangeable cross-reference
interchangeable
FG1810EGE173Interchangeable
interchangeable cross-reference
interchangeable
228532Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99S103?
99S103 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 99S103?
There are 26 known substitutes for 99S103: MIL-H-3992, 29862-HB, 228552 and 23 more. Substitute compatibility should be verified for your specific system.
Is 99S103 still available?
99S103 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