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Technical Data Sheet
PartsTable / COMPONENT / 5811 1 1/2IN.
5811 1 1/2IN. ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The 5811 1 1/2IN. is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-168-1920, 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
5811 1 1/2IN.
NSN: 4730-01-168-1920
FSC: 4730
CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
Part Number5811 1 1/2IN.
NSN4730-01-168-1920
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5811 1 1/2IN. · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LEG LENGTH: 1.750 INCHES NOMINAL THIRD END IN
•
CONNECTION STYLE: SOCKET (PIPE) THIRD END
•
MATERIAL: PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) OVERALL
•
CONNECTION TYPE: UNTHREADED EXTERNAL PIPE SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH1.750 INCHES NOMINAL THIRD END IN
CONNECTION STYLESOCKET (PIPE) THIRD END
CONNECTION STYLESOCKET (PIPE) FIRST END
MATERIALPLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) OVERALL
CONNECTION TYPEUNTHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
SPECIAL FEATURESBLACK MATERIAL
CONNECTION TYPEUNTHREADED INTERNAL PIPE THIRD END
LEG LENGTH1.000 INCHES NOMINAL FIRST END IN
SPECIFICATION/STANDARD DATA81348-L-P-322B GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4INSCHD40Interchangeable
interchangeable cross-reference
interchangeable
L-P-322Interchangeable
interchangeable cross-reference
interchangeable
4710P42228Interchangeable
interchangeable cross-reference
interchangeable
TY186ABSInterchangeable
interchangeable cross-reference
interchangeable
ASTM D2661Interchangeable
interchangeable cross-reference
interchangeable
TY184ABSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5811 1 1/2IN.?
5811 1 1/2IN. is a 5811 1 1/2IN..
What parts can replace 5811 1 1/2IN.?
There are 18 known substitutes for 5811 1 1/2IN.: 4INSCHD40, L-P-322, 4710P42228 and 15 more. Substitute compatibility should be verified for your specific system.
Is 5811 1 1/2IN. still available?
5811 1 1/2IN. 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