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Technical Data Sheet
PartsTable / COMPONENT / 200181-A1/1X
200181-A1/1X ✓ 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 200181-A1/1X is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-007-9402, 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
200181-A1/1X
NSN: 4730-00-007-9402
FSC: 4730
CAGE: 28208 — HEPBURN ENGINEERING INC (CAN)
SPECIFICATIONS
Part Number200181-A1/1X
NSN4730-00-007-9402
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 200181-A1/1X · 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
•
STYLE DESIGNATOR: GENERAL PURPOSE USE
•
SURFACE TREATMENT: PASSIVATE SCREW
•
MATERIAL: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY BAND
•
INSIDE DIAMETER: 4.050 INCHES MINIMUM AND 4.440 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE BAND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.750 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN
STYLE DESIGNATORGENERAL PURPOSE USE
SURFACE TREATMENTPASSIVATE SCREW
MATERIALALUMINUM ALLOY 6061 OR ALUMINUM ALLOY BAND
INSIDE DIAMETER4.050 INCHES MINIMUM AND 4.440 INCHES MAXIMUM IN
MATERIALSTEEL COMP 316 SCREW
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE BAND
SURFACE TREATMENTANODIZE BAND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-221,T6 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B-247,T6 ASSN STD SINGLE MATERIAL RESPONSE BAND
NONDEFINITIVE SPEC/STD DATASC TYPE AND 40 SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
A-CPL/H0S-4MS-S81Interchangeable
interchangeable cross-reference
interchangeable
M24356-40MCInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-24356Interchangeable
interchangeable cross-reference
interchangeable
190419-4-64Interchangeable
interchangeable cross-reference
interchangeable
M24356-40-FCInterchangeable
interchangeable cross-reference
interchangeable
72078-7-7DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 200181-A1/1X?
200181-A1/1X is a 200181-A1/1X.
What parts can replace 200181-A1/1X?
There are 29 known substitutes for 200181-A1/1X: A-CPL/H0S-4MS-S81, M24356-40MC, MIL-C-24356 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 200181-A1/1X?
200181-A1/1X is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-007-9402. 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