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4-4FMTXB — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4-4FMTXB: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, media_for_which_designed: HYDRAULIC FLUID SINGLE RESPONSE, nominal_outside_diameter: 6.0 MILLIMETERS ALL ENDS MM, thread_quantity_per_inch: 20 SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-627-0399, 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
4-4FMTXB
NSN: 4730-01-627-0399
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 56300 — PARKER HANNIFIN CORP STRATOFLEX AEROSPACE/MILITARY CONNECTOR DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
nominal_outside_diameter6.0 MILLIMETERS ALL ENDS MM
thread_quantity_per_inch20 SECOND END
NSN4730-01-627-0399
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4-4FMTXB · 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
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER: 6.0 MILLIMETERS ALL ENDS MM
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE
•
THREAD QUANTITY PER INCH: 20 SECOND END
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
NOMINAL OUTSIDE DIAMETER6.0 MILLIMETERS ALL ENDS MM
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
THREAD QUANTITY PER INCH20 SECOND END
THREAD QUANTITY PER INCH18 FIRST END
MATERIALCOPPER ALLOY OVERALL
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4-4FMTXB?
4-4FMTXB is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What is the NSN for 4-4FMTXB?
4-4FMTXB is cataloged in the U.S. Government catalog under NSN 4730-01-627-0399. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.