PartsTable
Technical Data Sheet
4794 ✓ Verified by PartsTable
Zyxel · MRO · MRO_GENERAL
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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: COPPER ALLOY 903 OR COPPER ALLOY 905 OVERALL, body_type: SOLID, head_type: SOLID, body_style: PISTON, shaft_type: ROUND, SLOTTED SINGLE SHAFT, shell_type: SOLID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-472-5070, 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
MRO MRO_GENERAL 4794
NSN: 4730-00-472-5070
FSC: 4730
CAGE: 80996 — ITT GRINNELL CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 903 OR COPPER ALLOY 905 OVERALL
body_typeSOLID
head_typeSOLID
body_stylePISTON
shaft_typeROUND, SLOTTED SINGLE SHAFT
shell_typeSOLID
body_length1.938 INCHES NOMINAL IN
shaft_length0.781 INCHES MAXIMUM SINGLE SHAFT IN
thread_class2A A
body_diameter0.406 INCHES NOMINAL IN
bushing_shapeROUND
terminal_typeWIRE LEAD
NSN4730-00-472-5070
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4794 · Zyxel ⚠ 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
THREAD SERIES DESIGNATOR: NPT EXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D1784,TY 1,GR A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD TYPE: SOLID
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
DRIVE END STYLE: RAISED SQUARE
NOMINAL THREAD SIZE: 4.000 INCHES EXTERNAL IN
CONNECTION STYLE: PLAIN
BODY TYPE: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT EXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D1784,TY 1,GR A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD TYPESOLID
NONDEFINITIVE SPEC/STD DATA1 TYPE
DRIVE END STYLERAISED SQUARE
NOMINAL THREAD SIZE4.000 INCHES EXTERNAL IN
CONNECTION STYLEPLAIN
BODY TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED4.000 INCHES IN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3054Interchangeable
interchangeable cross-reference
interchangeable
2301Interchangeable
interchangeable cross-reference
interchangeable
12309011Interchangeable
interchangeable cross-reference
interchangeable
D2665Interchangeable
interchangeable cross-reference
interchangeable
2502Interchangeable
interchangeable cross-reference
interchangeable
2502PVCTY1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4794?
4794 is a RESISTOR,FIXED,WIRE WOUND,INDUCT manufactured by Zyxel. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4794?
There are 17 known substitutes for 4794: 3054, 2301, 12309011 and 14 more. Substitute compatibility should be verified for your specific system.
Is 4794 still available?
4794 is currently cancelled.
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