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Technical Data Sheet
PartsTable / COMPONENT / 1743-2.5IN-250F
1743-2.5IN-250F ✓ 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 1743-2.5IN-250F is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-336-9303, 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
1743-2.5IN-250F
NSN: 4730-00-336-9303
FSC: 4730
CAGE: 78527 — STAPLES & PFEIFFER, INC. (USA)
SPECIFICATIONS
Part Number1743-2.5IN-250F
NSN4730-00-336-9303
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1743-2.5IN-250F · 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 FLANGE SHAPE STYLE: ROUND W/UNTHREADED BOLT HOLES
•
FIRST DISCHARGE FLANGE OUTSIDE DIAMETER: 6.125 INCHES NOMINAL IN
•
FIRST DISCHARGE FLANGE FACE STYLE: PLAIN
•
MATERIAL: METAL NONFERROUS/D BODY
•
FIRST INTAKE FLANGE FACE STYLE: PLAIN
•
STYLE DESIGNATOR: STRAIGHT FLOW BASKET STRAINER W/ BOLTED COVER
•
DISTANCE FROM BOTTOM OF BODY TO CENTER OF INLET: 12.000 INCHES NOMINAL IN
•
FIRST INTAKE FLANGE OUTSIDE DIAMETER: 6.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST DISCHARGE FLANGE SHAPE STYLEROUND W/UNTHREADED BOLT HOLES
FIRST DISCHARGE FLANGE OUTSIDE DIAMETER6.125 INCHES NOMINAL IN
FIRST DISCHARGE FLANGE FACE STYLEPLAIN
MATERIALMETAL NONFERROUS/D BODY
FIRST INTAKE FLANGE FACE STYLEPLAIN
STYLE DESIGNATORSTRAIGHT FLOW BASKET STRAINER W/ BOLTED COVER
DISTANCE FROM BOTTOM OF BODY TO CENTER OF INLET12.000 INCHES NOMINAL IN
FIRST INTAKE FLANGE OUTSIDE DIAMETER6.125 INCHES NOMINAL IN
FILTERING MEDIA DESIGNPERFORATED ALL FILTERING MEDIA RESPONSES
PERFORATION QUANTITY36.0 PER SQUARE INCH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
2438233Interchangeable
interchangeable cross-reference
interchangeable
N513Interchangeable
interchangeable cross-reference
interchangeable
HInterchangeable
interchangeable cross-reference
interchangeable
N451PC161Interchangeable
interchangeable cross-reference
interchangeable
N565Interchangeable
interchangeable cross-reference
interchangeable
HC1060AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1743-2.5IN-250F?
1743-2.5IN-250F is a 1743-2.5IN-250F.
What parts can replace 1743-2.5IN-250F?
There are 12 known substitutes for 1743-2.5IN-250F: 2438233, N513, H and 9 more. Substitute compatibility should be verified for your specific system.
Is 1743-2.5IN-250F still available?
1743-2.5IN-250F 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