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Technical Data Sheet
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040343 — Technical Data Sheet

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— · 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 BAR,PUNCH,TELETYPEWRITER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BAND, overall_width: 2.562 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN, inside_diameter: 2.560 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN, style_designator: WIRE, surface_treatment: CADMIUM SCREW, fastening_device_type: SLOTTED HEXAGON HEAD SCREW. This part is cataloged in the Federal Logistics Information System under NSN 4730-01-326-2939, 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
040343
NSN: 4730-01-326-2939
FSC: 4730
CAGE: 31654 — SULLAIR CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BAND
overall_width2.562 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
inside_diameter2.560 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
style_designatorWIRE
surface_treatmentCADMIUM SCREW
fastening_device_typeSLOTTED HEXAGON HEAD SCREW
NSN4730-01-326-2939
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 040343 · 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
•
FASTENING DEVICE TYPE: SLOTTED HEXAGON HEAD SCREW
•
INSIDE DIAMETER: 2.560 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
•
MATERIAL: STEEL SCREW
•
STYLE DESIGNATOR: WIRE
•
SURFACE TREATMENT: CADMIUM SCREW
TECHNICAL CHARACTERISTICS
FASTENING DEVICE TYPESLOTTED HEXAGON HEAD SCREW
INSIDE DIAMETER2.560 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
MATERIALSTEEL SCREW
STYLE DESIGNATORWIRE
MATERIALSTEEL CORROSION RESISTING BAND
SURFACE TREATMENTCADMIUM SCREW
OVERALL WIDTH2.562 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
6002-837InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
40343InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
80043InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
65A81C946InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
02261-0280-13InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5745InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 040343?
040343 is a BAR,PUNCH,TELETYPEWRITER.
What parts can replace 040343?
There are 22 known substitutes for 040343: 6002-837, 40343, 80043 and 19 more. Substitute compatibility should be verified for your specific system.
Is 040343 still available?
040343 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: October 2026