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Technical Data Sheet
PartsTable / COMPONENT / E1-4B
E1-4B ✓ 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

CLUTCH HALF,POSITIVE,NONVEHICULA. Key specifications include shape: RECTANGULAR, end_type: GLAND NUT W/INTERNAL THREAD FIRST END, material: ALUMINUM, duty_type: INTERMITTENT, base_style: MEDIUM PREFOCUS, body_width: 1.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-036-3917, 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
E1-4B
NSN: 4730-00-036-3917
FSC: 4730
CAGE: 33334 — KEROTEST MANUFACTURING CORP. (USA)
SPECIFICATIONS
shapeRECTANGULAR
end_typeGLAND NUT W/INTERNAL THREAD FIRST END
materialALUMINUM
duty_typeINTERMITTENT
base_styleMEDIUM PREFOCUS
body_width1.312 INCHES NOMINAL IN
bulb_styleT (TUBULAR)
glass_typeSODA-LIME
body_height1.000 INCHES NOMINAL IN
body_length2.312 INCHES NOMINAL IN
closure_typeCAP
coil_quantity1
NSN4730-00-036-3917
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: E1-4B · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
E1-4BInterchangeable
interchangeable cross-reference
interchangeable
5-13-2007-2-18Interchangeable
interchangeable cross-reference
interchangeable
13226E1494-1Interchangeable
interchangeable cross-reference
interchangeable
23-1053PKInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E1-4B?
E1-4B is a CLUTCH HALF,POSITIVE,NONVEHICULA.
What parts can replace E1-4B?
There are 4 known substitutes for E1-4B: E1-4B, 5-13-2007-2-18, 13226E1494-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E1-4B?
E1-4B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-036-3917. 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