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Technical Data Sheet
PartsTable / COMPONENT / 313-4S
313-4S ✓ 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 ADAPTER,STRAIGHT,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include length: 0.375 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, bore_type: STRAIGHT, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, thickness: 0.375 INCHES NOMINAL IN, body_style: STRAIGHT SHAPE, INTERNAL COUPLING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-541-4252, 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
313-4S
NSN: 4730-00-541-4252
FSC: 4730
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
length0.375 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
bore_typeSTRAIGHT
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
thickness0.375 INCHES NOMINAL IN
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
bore_shapeSTRAIGHT
head_styleFLAT COUNTERSUNK
port_styleGASKET SEAL SINGLE PORT
shaft_typeROUND, FLATTED SINGLE ACTUATOR
shell_typeSOLID
cooling_finNOT INCLUDED
NSN4730-00-541-4252
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 313-4S · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
MS35198-15Interchangeable
interchangeable cross-reference
interchangeable
3134Interchangeable
interchangeable cross-reference
interchangeable
75090Interchangeable
interchangeable cross-reference
interchangeable
CF100-18TC1PC115Interchangeable
interchangeable cross-reference
interchangeable
4555001003Interchangeable
interchangeable cross-reference
interchangeable
D15-640RPC644Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 313-4S?
313-4S is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace 313-4S?
There are 29 known substitutes for 313-4S: MS35198-15, 3134, 75090 and 26 more. Substitute compatibility should be verified for your specific system.
Is 313-4S still available?
313-4S 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