PartsTable
Technical Data Sheet
2001638640 ✓ 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 HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, overall_length: 3.350 INCHES NOMINAL IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF, features_provided: SELF-SEALING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-925-4574, 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
2001638640
NSN: 4730-00-925-4574
FSC: 4730
CAGE: Q0091 — ST ENGINEERING LAND SYSTEMS LTD. DIV KINETICS DESIGN MANUFACTURING (SGP)
SPECIFICATIONS
materialSTEEL BODY
overall_length3.350 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
nominal_thread_size0.750 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-PULL ALL ENDS
thread_series_designatorNPTF ALL ENDS
nominal_pipe_size_accommodated0.750 INCHES ALL ENDS IN
NSN4730-00-925-4574
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2001638640 · 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
CONNECTION TYPE: INTERNAL QUICK DISCONNECT ALL ENDS
FEATURES PROVIDED: SELF-SEALING
MATERIAL: STEEL BODY
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES ALL ENDS IN
STYLE DESIGNATOR: MALE COUPLING HALF
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
FEATURES PROVIDEDSELF-SEALING
OVERALL LENGTH3.350 INCHES NOMINAL IN
MATERIALSTEEL BODY
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS IN
STYLE DESIGNATORMALE COUPLING HALF
THREAD SERIES DESIGNATORNPTF ALL ENDS
CONNECTION STYLEPLAIN ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
41505Interchangeable
interchangeable cross-reference
interchangeable
BC3258Interchangeable
interchangeable cross-reference
interchangeable
674-0053-000Interchangeable
interchangeable cross-reference
interchangeable
41512Interchangeable
interchangeable cross-reference
interchangeable
7583-41505 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
40220 ITEM 202Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2001638640?
2001638640 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 2001638640?
There are 8 known substitutes for 2001638640: 41505, BC3258, 674-0053-000 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2001638640?
2001638640 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-925-4574. This indicates validated use in U.S. government and defense supply chains.
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