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Technical Data Sheet
PartsTable / COMPONENT / 124P391-1
124P391-1 ✓ 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,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, body_style: PLAIN, SOLID, body_width: 0.750 INCHES NOMINAL IN, bore_style: W/COUNTERBORE SECOND END, lens_color: RED SINGLE LIGHT FIRST POSITION HORIZONTAL, tooth_form: STANDARD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-278-1110, 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
124P391-1
NSN: 4720-00-278-1110
FSC: 4720
CAGE: 78022 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_stylePLAIN, SOLID
body_width0.750 INCHES NOMINAL IN
bore_styleW/COUNTERBORE SECOND END
lens_colorRED SINGLE LIGHT FIRST POSITION HORIZONTAL
tooth_formSTANDARD
boss_height0.130 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
pole_quantity1
overall_length0.3125 INCHES NOMINAL IN
NSN4720-00-278-1110
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 124P391-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
19728NInterchangeable
interchangeable cross-reference
interchangeable
19728N PIECE 17Interchangeable
interchangeable cross-reference
interchangeable
37971-24-85Interchangeable
interchangeable cross-reference
interchangeable
3H2-20-30Interchangeable
interchangeable cross-reference
interchangeable
162427H1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-6000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124P391-1?
124P391-1 is a HOSE,NONMETALLIC.
What parts can replace 124P391-1?
There are 21 known substitutes for 124P391-1: 19728N, 19728N PIECE 17, 37971-24-85 and 18 more. Substitute compatibility should be verified for your specific system.
Is 124P391-1 still available?
124P391-1 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