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PartsTable / COMPONENT / J954M0DIFIED1IN150PSIFLGS
J954M0DIFIED1IN150PSIFLGS ✓ 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 RESTRICTOR UNIT,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: STEEL BODY, body_design: ANGLE PATTERN, design_type: THERMOSTATIC, flange_thickness: 0.562 INCHES NOMINAL BOTH INLET AND OUTLET IN, flange_facing_type: PLAIN BOTH INLET AND OUTLET, inlet_connection_type: FLANGED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-499-2091, 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
J954M0DIFIED1IN150PSIFLGS
NSN: 4730-00-499-2091
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
materialSTEEL BODY
body_designANGLE PATTERN
design_typeTHERMOSTATIC
flange_thickness0.562 INCHES NOMINAL BOTH INLET AND OUTLET IN
flange_facing_typePLAIN BOTH INLET AND OUTLET
inlet_connection_typeFLANGED
outlet_connection_typeFLANGED
flange_outside_diameter4.250 INCHES NOMINAL BOTH INLET AND OUTLET IN
flange_bolt_hole_diameter0.625 INCHES NOMINAL BOTH INLET AND OUTLET IN
flange_bolt_hole_quantity4 BOTH INLET AND OUTLET
flange_bolt_circle_diameter3.125 INCHES NOMINAL BOTH INLET AND OUTLET IN
nondefinitive_spec/std_data150 SERIES AND 2 TYPE
NSN4730-00-499-2091
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: J954M0DIFIED1IN150PSIFLGS · 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
•
DESIGN TYPE: THERMOSTATIC
•
BODY DESIGN: ANGLE PATTERN
•
NONDEFINITIVE SPEC/STD DATA: 150 SERIES AND 2 TYPE
•
FLANGE OUTSIDE DIAMETER: 4.250 INCHES NOMINAL BOTH INLET AND OUTLET IN
•
MATERIAL: STEEL BODY
•
FLANGE BOLT HOLE QUANTITY: 4 BOTH INLET AND OUTLET
•
FLANGE FACING TYPE: PLAIN BOTH INLET AND OUTLET
•
FLANGE BOLT HOLE DIAMETER: 0.625 INCHES NOMINAL BOTH INLET AND OUTLET IN
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPETHERMOSTATIC
BODY DESIGNANGLE PATTERN
NONDEFINITIVE SPEC/STD DATA150 SERIES AND 2 TYPE
FLANGE OUTSIDE DIAMETER4.250 INCHES NOMINAL BOTH INLET AND OUTLET IN
MATERIALSTEEL BODY
FLANGE BOLT HOLE QUANTITY4 BOTH INLET AND OUTLET
FLANGE FACING TYPEPLAIN BOTH INLET AND OUTLET
FLANGE BOLT HOLE DIAMETER0.625 INCHES NOMINAL BOTH INLET AND OUTLET IN
FLANGE BOLT CIRCLE DIAMETER3.125 INCHES NOMINAL BOTH INLET AND OUTLET IN
OUTLET CONNECTION TYPEFLANGED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
043 1-2IMInterchangeable
interchangeable cross-reference
interchangeable
43-44Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-960Interchangeable
interchangeable cross-reference
interchangeable
000-75-044CG15BInterchangeable
interchangeable cross-reference
interchangeable
MS18301-04AND-10Interchangeable
interchangeable cross-reference
interchangeable
J423 3-4INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J954M0DIFIED1IN150PSIFLGS?
J954M0DIFIED1IN150PSIFLGS is a RESTRICTOR UNIT,FLUID FLOW.
What parts can replace J954M0DIFIED1IN150PSIFLGS?
There are 14 known substitutes for J954M0DIFIED1IN150PSIFLGS: 043 1-2IM, 43-44, MIL-T-960 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J954M0DIFIED1IN150PSIFLGS?
J954M0DIFIED1IN150PSIFLGS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-499-2091. 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