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Technical Data Sheet
PartsTable / COMPONENT / 5118-3-4-1 1/2X1 1/4
5118-3-4-1 1/2X1 1/4 ✓ 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 5118-3-4-1 1/2X1 1/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-357-1294, 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
5118-3-4-1 1/2X1 1/4
NSN: 4730-01-357-1294
FSC: 4730
CAGE: 61623 — NIBCO INC CHEMTROL DIV (USA)
SPECIFICATIONS
Part Number5118-3-4-1 1/2X1 1/4
NSN4730-01-357-1294
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5118-3-4-1 1/2X1 1/4 · 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
•
INTERNAL THREAD SIZE: 1-1/4-11-1/2
•
EXTERNAL SCREW THREAD SERIES DESIGNATOR: NPT
•
MATERIAL: PLASTIC
•
STYLE DESIGNATOR: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
•
EXTERNAL THREAD SIZE: 1-1/2-11-1/2
•
INTERNAL SCREW THREAD SERIES DESIGNATOR: NPT
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL THREAD SIZE1-1/4-11-1/2
EXTERNAL SCREW THREAD SERIES DESIGNATORNPT
MATERIALPLASTIC
STYLE DESIGNATOROUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
END ITEM IDENTIFICATIONMECO,DISTILLATION UNIT,MODEL PEE2100M3B
EXTERNAL THREAD SIZE1-1/2-11-1/2
INTERNAL SCREW THREAD SERIES DESIGNATORNPT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
30-316Interchangeable
interchangeable cross-reference
interchangeable
30 AND 32Interchangeable
interchangeable cross-reference
interchangeable
K139893Interchangeable
interchangeable cross-reference
interchangeable
7316Interchangeable
interchangeable cross-reference
interchangeable
A-A-59634Interchangeable
interchangeable cross-reference
interchangeable
7316BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5118-3-4-1 1/2X1 1/4?
5118-3-4-1 1/2X1 1/4 is a 5118-3-4-1 1/2X1 1/4.
What parts can replace 5118-3-4-1 1/2X1 1/4?
There are 20 known substitutes for 5118-3-4-1 1/2X1 1/4: 30-316, 30 AND 32, K139893 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5118-3-4-1 1/2X1 1/4?
5118-3-4-1 1/2X1 1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-357-1294. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026