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Technical Data Sheet
1M450HD ✓ 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 REDUCER,PIPE is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, operating_pressure: 330.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_overall_length: 1.687 INCHES 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 4730-00-891-7672, 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
1M450HD
NSN: 4730-00-891-7672
FSC: 4730
CAGE: 93908 — CARLON A LAMSON AND SESSIONS CO (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
operating_pressure330.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_overall_length1.687 INCHES IN
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
nominal_pipe_size_accommodated0.500 INCHES FIRST END IN
material_document_and_classificationASTM D1784,TY 1,GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-891-7672
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1M450HD · 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
NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES SECOND END IN
CONNECTION STYLE: SOCKET (PIPE) FIRST END
MATERIAL: PLASTIC OVERALL
CONNECTION TYPE: UNTHREADED EXTERNAL PIPE SECOND END
NOMINAL OVERALL LENGTH: 1.687 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D1784,TY 1,GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES SECOND END IN
CONNECTION STYLESOCKET (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
MATERIALPLASTIC OVERALL
CONNECTION TYPEUNTHREADED EXTERNAL PIPE SECOND END
NOMINAL OVERALL LENGTH1.687 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D1784,TY 1,GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
REDUCER TYPECONCENTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
N38532Interchangeable
interchangeable cross-reference
interchangeable
ASTM D1784Interchangeable
interchangeable cross-reference
interchangeable
861-106Interchangeable
interchangeable cross-reference
interchangeable
SHIPSF2489Interchangeable
interchangeable cross-reference
interchangeable
8574Interchangeable
interchangeable cross-reference
interchangeable
835-010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1M450HD?
1M450HD is a REDUCER,PIPE.
What parts can replace 1M450HD?
There are 17 known substitutes for 1M450HD: N38532, ASTM D1784, 861-106 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1M450HD?
1M450HD is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-891-7672. This indicates validated use in U.S. government and defense supply chains.
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