PartsTable
Technical Data Sheet
4E20020 ✓ 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

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140H, body_style: SHOULDER, overall_length: 7.125 INCHES NOMINAL IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM, special_features: WRENCHINGEND COUNTER BORED 3/4 IN. DIA X 3/8 DP IN, width_across_flats: 2.250 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-459-2641, 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
4E20020
NSN: 4730-00-459-2641
FSC: 4730
CAGE: 99832 — SCOTT HUBER ESSICK A CO OF FIGGIE INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4140H
body_styleSHOULDER
overall_length7.125 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
special_featuresWRENCHINGEND COUNTER BORED 3/4 IN. DIA X 3/8 DP IN
width_across_flats2.250 INCHES NOMINAL IN
concentric_hole_depth3.562 INCHES NOMINAL IN
first_end_thread_class2A A
first_end_thread_length0.937 INCHES NOMINAL IN
wrenching_feature_styleHEXAGON
concentric_hole_diameter0.125 INCHES NOMINAL IN
cotter_pin_hole_diameter0.265 INCHES NOMINAL IN
NSN4730-00-459-2641
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4E20020 · 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
FIRST END CONNECTION TYPE: THREADED EXTERNAL TUBE
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE
FIRST END THREAD CLASS: 2A A
SECOND END CONNECTION TYPE: THREADED INTERNAL PIPE
FIRST END THREAD LENGTH: 0.937 INCHES NOMINAL IN
SECOND END THREAD LENGTH: 3.562 INCHES NOMINAL IN
WRENCHING FEATURE HEIGHT: 0.563 INCHES NOMINAL IN
BODY STYLE: SHOULDER
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE
FIRST END THREAD CLASS2A A
SECOND END CONNECTION TYPETHREADED INTERNAL PIPE
FIRST END THREAD LENGTH0.937 INCHES NOMINAL IN
SECOND END THREAD LENGTH3.562 INCHES NOMINAL IN
WRENCHING FEATURE HEIGHT0.563 INCHES NOMINAL IN
BODY STYLESHOULDER
DISTANCE FROM FIRST RADIAL HOLE CENTER TO END OF BOLT3.812 INCHES NOMINAL IN
SECOND END STYLE DESIGNATORPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
424822Interchangeable
interchangeable cross-reference
interchangeable
200132Interchangeable
interchangeable cross-reference
interchangeable
0525-65Interchangeable
interchangeable cross-reference
interchangeable
280-1146P98Interchangeable
interchangeable cross-reference
interchangeable
RCR32G472KSInterchangeable
interchangeable cross-reference
interchangeable
11406Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4E20020?
4E20020 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace 4E20020?
There are 13 known substitutes for 4E20020: 424822, 200132, 0525-65 and 10 more. Substitute compatibility should be verified for your specific system.
Is 4E20020 still available?
4E20020 is currently cancelled.
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