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Technical Data Sheet
PartsTable / COMPONENT / A307SCH
A307SCH ✓ 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 INSERT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, style_designator: PLAIN, casehardening_indicator: NOT CASEHARDENED, sleeve_outside_diameter: 0.245 INCHES NOMINAL IN, tube_inside_diameter_for_which_designed: 0.232 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-056-4990, 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
A307SCH
NSN: 4730-01-056-4990
FSC: 4730
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
style_designatorPLAIN
casehardening_indicatorNOT CASEHARDENED
sleeve_outside_diameter0.245 INCHES NOMINAL IN
tube_inside_diameter_for_which_designed0.232 INCHES NOMINAL IN
NSN4730-01-056-4990
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A307SCH · 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
•
SLEEVE OUTSIDE DIAMETER: 0.245 INCHES NOMINAL IN
•
TUBE INSIDE DIAMETER FOR WHICH DESIGNED: 0.232 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL CORROSION RESISTING
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
SLEEVE OUTSIDE DIAMETER0.245 INCHES NOMINAL IN
TUBE INSIDE DIAMETER FOR WHICH DESIGNED0.232 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIALSTEEL CORROSION RESISTING
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
145626Interchangeable
interchangeable cross-reference
interchangeable
206852Interchangeable
interchangeable cross-reference
interchangeable
CS136Interchangeable
interchangeable cross-reference
interchangeable
15211Interchangeable
interchangeable cross-reference
interchangeable
C54190Interchangeable
interchangeable cross-reference
interchangeable
10132Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A307SCH?
A307SCH is a INSERT,TUBE FITTING.
What parts can replace A307SCH?
There are 25 known substitutes for A307SCH: 145626, 206852, CS136 and 22 more. Substitute compatibility should be verified for your specific system.
Is A307SCH still available?
A307SCH 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