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Technical Data Sheet
PartsTable / COMPONENT / IF-125 3IN.
IF-125 3IN. ✓ 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 IF-125 3IN. 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 4730-01-329-5054, 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
IF-125 3IN.
NSN: 4730-01-329-5054
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
Part NumberIF-125 3IN.
NSN4730-01-329-5054
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: IF-125 3IN. · 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
•
FIRST DISCHARGE CONNECTION RELATIONSHIP TO INTAKE CONNECTION: IDENTICAL TO FIRST INTAKE CONNECTION
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON AND GAS AND WATER
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-16293F GOVERNMENT SPECIFICATION
•
FILTERING MEDIA DESIGN: PERFORATED SINGLE FILTERING MEDIA RESPONSE
•
FIRST INTAKE FLANGE SHAPE STYLE: ROUND W/UNTHREADED BOLT HOLES
•
DISTANCE FROM BOTTOM OF BODY TO CENTER OF INLET: 7.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: Y STRAINER W/BLOW-OFF PLUG
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBRONZE PLUG IN BLOW-OFF CONNECTION PER MIL.
FIRST DISCHARGE CONNECTION RELATIONSHIP TO INTAKE CONNECTIONIDENTICAL TO FIRST INTAKE CONNECTION
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON AND GAS AND WATER
SPECIFICATION/STANDARD DATA81349-MIL-S-16293F GOVERNMENT SPECIFICATION
FILTERING MEDIA DESIGNPERFORATED SINGLE FILTERING MEDIA RESPONSE
FIRST INTAKE FLANGE SHAPE STYLEROUND W/UNTHREADED BOLT HOLES
DISTANCE FROM BOTTOM OF BODY TO CENTER OF INLET7.625 INCHES NOMINAL IN
STYLE DESIGNATORY STRAINER W/BLOW-OFF PLUG
FIRST INTAKE FLANGE FACE STYLEPLAIN
FIRST INTAKE CONNECTION TYPEPLAIN FACE FLANGE LINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1967049Interchangeable
interchangeable cross-reference
interchangeable
1067049Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-16293FInterchangeable
interchangeable cross-reference
interchangeable
CI-125-3IN 1/4PInterchangeable
Same NIIN cross-reference
interchangeable
1265-2146-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is IF-125 3IN.?
IF-125 3IN. is a IF-125 3IN..
What parts can replace IF-125 3IN.?
There are 5 known substitutes for IF-125 3IN.: 1967049, 1067049, MIL-S-16293F and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IF-125 3IN.?
IF-125 3IN. is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-329-5054. 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