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Technical Data Sheet
PartsTable / COMPONENT / 4000-5L0FL0
4000-5L0FL0 ✓ 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

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include material: STEEL OVERALL, leg_length: 0.594 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, overall_length: 3.688 INCHES MINIMUM AND 3.828 INCHES MAXIMUM IN, connection_style: PLAIN FIRST FLUID END CONNECTION, style_designator: COUPLING ASSEMBLY, features_provided: SELF-SEALING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-066-0921, 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
4000-5L0FL0
NSN: 4730-00-066-0921
FSC: 4730
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length0.594 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
overall_length3.688 INCHES MINIMUM AND 3.828 INCHES MAXIMUM IN
connection_stylePLAIN FIRST FLUID END CONNECTION
style_designatorCOUPLING ASSEMBLY
features_providedSELF-SEALING
surface_treatmentCADMIUM AND DICHROMATE OVERALL
nominal_thread_size0.750 INCHES FIRST FLUID END CONNECTION IN
quick_disconnect_methodSPRING PUSH-PULL ALL ENDS
thread_series_designatorNPTF FIRST FLUID END CONNECTION
quick_disconnect_nominal_size0.812 INCHES ALL ENDS IN
NSN4730-00-066-0921
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4000-5L0FL0 · 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
•
MATERIAL: STEEL OVERALL
•
FEATURES PROVIDED: SELF-SEALING
•
SURFACE TREATMENT: CADMIUM AND DICHROMATE OVERALL
•
THREAD SERIES DESIGNATOR: NPTF FIRST FLUID END CONNECTION
•
LEG LENGTH: 0.594 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
CONNECTION STYLE: PLAIN FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: COUPLING ASSEMBLY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
FEATURES PROVIDEDSELF-SEALING
SURFACE TREATMENTCADMIUM AND DICHROMATE OVERALL
OVERALL LENGTH3.688 INCHES MINIMUM AND 3.828 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORNPTF FIRST FLUID END CONNECTION
LEG LENGTH0.594 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
CONNECTION STYLEPLAIN FIRST FLUID END CONNECTION
STYLE DESIGNATORCOUPLING ASSEMBLY
QUICK DISCONNECT NOMINAL SIZE0.812 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.750 INCHES FIRST FLUID END CONNECTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
S406Interchangeable
interchangeable cross-reference
interchangeable
D-80057-3Interchangeable
interchangeable cross-reference
interchangeable
3WX2Interchangeable
interchangeable cross-reference
interchangeable
UNIInterchangeable
interchangeable cross-reference
interchangeable
3040PL1937561Interchangeable
interchangeable cross-reference
interchangeable
70400-01607-112Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4000-5L0FL0?
4000-5L0FL0 is a COUPLING ASSEMBLY,QUICK DISCONNE.
What parts can replace 4000-5L0FL0?
There are 8 known substitutes for 4000-5L0FL0: S406, D-80057-3, 3WX2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4000-5L0FL0?
4000-5L0FL0 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-066-0921. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026