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Technical Data Sheet
PartsTable / COMPONENT / 40-E-2IN
40-E-2IN ✓ 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 COUPLING,CLAMP,PIPE is a the manufacturer industrial component. Key specifications include material: RUBBER GASKET, special_features: GASKET MATERIAL: GRADE H RUBBER, pipe_size_accommodated: 2.000 INCHES NOMINAL IN, end_type_for_which_designed: GROOVED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-400-8972, 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
40-E-2IN
NSN: 4730-00-400-8972
FSC: 4730
CAGE: 82666 — STOCKHAM VALVES AND FITTINGS INC (USA)
SPECIFICATIONS
materialRUBBER GASKET
segment_quantity2
special_featuresGASKET MATERIAL: GRADE H RUBBER
pipe_size_accommodated2.000 INCHES NOMINAL IN
end_type_for_which_designedGROOVED
NSN4730-00-400-8972
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 40-E-2IN · 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
•
END TYPE FOR WHICH DESIGNED: GROOVED
•
PIPE SIZE ACCOMMODATED: 2.000 INCHES NOMINAL IN
•
MATERIAL: IRON MALLEABLE HOUSING
•
SEGMENT QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
END TYPE FOR WHICH DESIGNEDGROOVED
PIPE SIZE ACCOMMODATED2.000 INCHES NOMINAL IN
MATERIALIRON MALLEABLE HOUSING
SEGMENT QUANTITY2
MATERIALRUBBER GASKET
SPECIAL FEATURESGASKET MATERIAL: GRADE H RUBBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2CR964Interchangeable
interchangeable cross-reference
interchangeable
8187Interchangeable
interchangeable cross-reference
interchangeable
581531Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-10387Interchangeable
interchangeable cross-reference
interchangeable
M10387-2-D-02Interchangeable
interchangeable cross-reference
interchangeable
77E1INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40-E-2IN?
40-E-2IN is a COUPLING,CLAMP,PIPE.
What parts can replace 40-E-2IN?
There are 15 known substitutes for 40-E-2IN: 2CR964, 8187, 581531 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40-E-2IN?
40-E-2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-400-8972. 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