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PartsTable / COMPONENT / B51757
B51757 ✓ 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 shape: STRAIGHT, length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, material: STEEL, body_width: 1.750 INCHES MAXIMUM IN, lens_color: COLORLESS, body_height: 2.244 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-021-3320, 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
B51757
NSN: 4720-00-021-3320
FSC: 4720
CAGE: 94833 — KECO INDUSTRIES, INC. (USA)
SPECIFICATIONS
shapeSTRAIGHT
length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
materialSTEEL
body_width1.750 INCHES MAXIMUM IN
lens_colorCOLORLESS
body_height2.244 INCHES MAXIMUM IN
body_length2.070 INCHES MAXIMUM IN
design_typeSPRING DRAW-IN
leg_thickness0.090 INCHES NOMINAL IN
heat_treatmentO-ANNEALED
inclosure_typeFULLY INCLOSED
overall_height1.125 INCHES NOMINAL IN
NSN4720-00-021-3320
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: B51757 · 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 25
1595500Interchangeable
interchangeable cross-reference
interchangeable
NW31841Interchangeable
interchangeable cross-reference
interchangeable
27003Interchangeable
interchangeable cross-reference
interchangeable
69668Interchangeable
interchangeable cross-reference
interchangeable
966PInterchangeable
interchangeable cross-reference
interchangeable
212800R11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B51757?
B51757 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace B51757?
There are 25 known substitutes for B51757: 1595500, NW31841, 27003 and 22 more. Substitute compatibility should be verified for your specific system.
Is B51757 still available?
B51757 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