PartsTable
Technical Data Sheet
BST20 ✓ 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 ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, nominal_thread_size: 1.500 INCHES FIRST END IN, thread_series_designator: NPT FIRST END, nominal_inside_diameter_hose_accommodated: 1.500 INCHES SECOND END 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 4730-01-371-2595, 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
BST20
NSN: 4730-01-371-2595
FSC: 4730
CAGE: 24869 — DVCC, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
nominal_thread_size1.500 INCHES FIRST END IN
thread_series_designatorNPT FIRST END
nominal_inside_diameter_hose_accommodated1.500 INCHES SECOND END IN
NSN4730-01-371-2595
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: BST20 · 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
THREAD SERIES DESIGNATOR: NPT FIRST END
CONNECTION STYLE: PLAIN (PIPE) FIRST END
NOMINAL THREAD SIZE: 1.500 INCHES FIRST END IN
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
MATERIAL: COPPER ALLOY OVERALL
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT FIRST END
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL THREAD SIZE1.500 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
MATERIALCOPPER ALLOY OVERALL
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.500 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
0943920003Interchangeable
interchangeable cross-reference
interchangeable
11-342Interchangeable
interchangeable cross-reference
interchangeable
N304-B45Interchangeable
interchangeable cross-reference
interchangeable
45642-3PC119Interchangeable
interchangeable cross-reference
interchangeable
32020Interchangeable
interchangeable cross-reference
interchangeable
45642-18PC119Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BST20?
BST20 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace BST20?
There are 12 known substitutes for BST20: 0943920003, 11-342, N304-B45 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BST20?
BST20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-371-2595. This indicates validated use in U.S. government and defense supply chains.
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