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519121-1 — HOSE,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

519121-1: HOSE,NONMETALLIC.

The HOSE,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, thickness: 0.250 INCHES NOMINAL IN, hole_diameter: 0.560 INCHES NOMINAL IN, overall_diameter: 0.880 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-519-1211, 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
519121-1
NSN: 4720-00-519-1211
NIINs: 005191211, 013626507, 014299337
FSC: 4720 — Hose and Flexible Tubing
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
thickness0.250 INCHES NOMINAL IN
hole_diameter0.560 INCHES NOMINAL IN
overall_diameter0.880 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
material_document_and_classificationASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4720-00-519-1211
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 519121-1 · 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
KEY FEATURES
•
MEASURING METHOD AND LENGTH: 24.875 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
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LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
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CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.325 INCHES NOMINAL IN
•
OPERATING PRESSURE: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-13444 GOVERNMENT SPECIFICATION
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH24.875 INCHES NOMINAL OVERALL IN
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.325 INCHES NOMINAL IN
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA81349-MIL-H-13444 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA1 TYPE
INSIDE DIAMETER0.125 INCHES NOMINAL IN
INSIDE SURFACE CONDITIONSMOOTH
SUBSTITUTES & CROSS-REFERENCES 1
MIL-H-13444Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 519121-1?
519121-1 is a HOSE,NONMETALLIC.
What parts can replace 519121-1?
There is 1 known substitute for 519121-1: MIL-H-13444. Substitute compatibility should be verified for your specific system.
What is the NSN for 519121-1?
519121-1 is cataloged in the U.S. Government catalog under NSN 4720-00-519-1211. 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.