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Technical Data Sheet
PartsTable / COMPONENT / 5118-3-4-1 1/4X1
5118-3-4-1 1/4X1 ✓ 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 1/4X1 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 4730-01-357-1296, 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 1/4X1
NSN: 4730-01-357-1296
FSC: 4730
CAGE: 61623 — NIBCO INC CHEMTROL DIV (USA)
SPECIFICATIONS
Part Number5118-3-4-1 1/4X1
NSN4730-01-357-1296
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5118-3-4-1 1/4X1 · 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 SCREW THREAD SERIES DESIGNATOR: NPT
•
MATERIAL: PLASTIC
•
EXTERNAL SCREW THREAD SERIES DESIGNATOR: NPT
•
EXTERNAL THREAD SIZE: 1-1/4-11-1/2
•
STYLE DESIGNATOR: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
•
INTERNAL THREAD SIZE: 1-11-1/2
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL SCREW THREAD SERIES DESIGNATORNPT
MATERIALPLASTIC
EXTERNAL SCREW THREAD SERIES DESIGNATORNPT
END ITEM IDENTIFICATIONMECO,DISTILLATION UNIT,MODEL PEE2100M3B
EXTERNAL THREAD SIZE1-1/4-11-1/2
STYLE DESIGNATOROUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
INTERNAL THREAD SIZE1-11-1/2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
52-S-2112Interchangeable
interchangeable cross-reference
interchangeable
1118200Interchangeable
interchangeable cross-reference
interchangeable
584369C1Interchangeable
interchangeable cross-reference
interchangeable
30311Interchangeable
interchangeable cross-reference
interchangeable
80ES26T26CTInterchangeable
interchangeable cross-reference
interchangeable
2970Interchangeable
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 1/4X1?
5118-3-4-1 1/4X1 is a 5118-3-4-1 1/4X1.
What parts can replace 5118-3-4-1 1/4X1?
There are 22 known substitutes for 5118-3-4-1 1/4X1: 52-S-2112, 1118200, 584369C1 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5118-3-4-1 1/4X1?
5118-3-4-1 1/4X1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-357-1296. 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