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R5078B172B — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

R5078B172B: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include flow_angle: 45.0 DEGREES SECOND END, seat_angle: 37.0 DEGREES FIRST END, temp_rating: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3A SECOND END A, exterior_color: BLACK, connection_type: THREADED INTERNAL TUBE SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-598-3103, 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
R5078B172B
NSN: 4720-00-598-3103
FSC: 4720 — Hose and Flexible Tubing
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
flow_angle45.0 DEGREES SECOND END
seat_angle37.0 DEGREES FIRST END
temp_rating450.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3A SECOND END A
exterior_colorBLACK
connection_typeTHREADED INTERNAL TUBE SECOND END
inside_diameter0.313 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.469 INCHES MAXIMUM IN
thread_directionRIGHT-HAND FIRST END
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure9000.0 POUNDS PER SQUARE INCH LBS
NSN4720-00-598-3103
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: R5078B172B · 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
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
SUBSTITUTES & CROSS-REFERENCES 2
MIL-H-25579Reference document
Same NSN cross-reference
Reference document — Identification reference
MS8005E172BFReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R5078B172B?
R5078B172B is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace R5078B172B?
There are 2 known substitutes for R5078B172B: MIL-H-25579, MS8005E172BF. Substitute compatibility should be verified for your specific system.
What is the NSN for R5078B172B?
R5078B172B is cataloged in the U.S. Government catalog under NSN 4720-00-598-3103. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.