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4HLOS-E0540 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4HLOS-E0540: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, thread_class: UN/UNF-2A ALL ENDS A, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS, operating_pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_overall_length: 1.08 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-660-6027, 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
4HLOS-E0540
NSN: 4730-01-660-6027
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
materialSTEEL BODY
thread_classUN/UNF-2A ALL ENDS A
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_overall_length1.08 INCHES IN
media_for_which_designedFLUID FIRST RESPONSE
nominal_outside_diameter0.25 INCHES ALL ENDS IN
part_name_assigned_by_controlling_agencyMALE O-RING FACE SEAL
nominal_outside_diameter_hose_accommodated0.5625 INCHES SECOND END IN
NSN4730-01-660-6027
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4HLOS-E0540 · 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 STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 0.5625 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.08 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL OUTSIDE DIAMETER: 0.25 INCHES ALL ENDS IN
•
MEDIA FOR WHICH DESIGNED: FLUID FIRST RESPONSE
TECHNICAL CHARACTERISTICS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.5625 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.08 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL OUTSIDE DIAMETER0.25 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNEDFLUID FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDGAS SECOND RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYMALE O-RING FACE SEAL
THREAD CLASSUN/UNF-2A ALL ENDS A
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 4HLOS-E0540?
4HLOS-E0540 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What is the NSN for 4HLOS-E0540?
4HLOS-E0540 is cataloged in the U.S. Government catalog under NSN 4730-01-660-6027. This indicates validated use in U.S. government and defense supply chains.
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