PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3/4 X 1/8
3/4 X 1/8 ✓ 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 3/4 X 1/8 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 4730-01-431-1340, 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
3/4 X 1/8
NSN: 4730-01-431-1340
FSC: 4730
CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
Part Number3/4 X 1/8
NSN4730-01-431-1340
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3/4 X 1/8 · 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: 1/8-27
•
INTERNAL SCREW THREAD SERIES DESIGNATOR: NPT
•
MATERIAL: STEEL
•
EXTERNAL SCREW THREAD SERIES DESIGNATOR: NPT
•
EXTERNAL THREAD DIRECTION: RIGHT-HAND
•
INTERNAL THREAD DIRECTION: RIGHT-HAND
•
STYLE DESIGNATOR: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL THREAD SIZE1/8-27
INTERNAL SCREW THREAD SERIES DESIGNATORNPT
MATERIALSTEEL
EXTERNAL SCREW THREAD SERIES DESIGNATORNPT
EXTERNAL THREAD DIRECTIONRIGHT-HAND
INTERNAL THREAD DIRECTIONRIGHT-HAND
STYLE DESIGNATOROUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
END ITEM IDENTIFICATION4130-01-381-6650
EXTERNAL THREAD SIZE3/4-14
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
600-1X1/4Interchangeable
interchangeable cross-reference
interchangeable
1X1/4Interchangeable
interchangeable cross-reference
interchangeable
58389-0000Interchangeable
interchangeable cross-reference
interchangeable
600 3/4X3/8Interchangeable
interchangeable cross-reference
interchangeable
58389-1206Interchangeable
interchangeable cross-reference
interchangeable
58389-1202Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/4 X 1/8?
3/4 X 1/8 is a 3/4 X 1/8.
What parts can replace 3/4 X 1/8?
There are 6 known substitutes for 3/4 X 1/8: 600-1X1/4, 1X1/4, 58389-0000 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3/4 X 1/8?
3/4 X 1/8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-431-1340. 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