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T000312971 — ADAPTER,STRAIGHT,FLANGE TO PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

T000312971: ADAPTER,STRAIGHT,FLANGE TO PIPE.

ADAPTER,STRAIGHT,FLANGE TO PIPE. Key specifications include material: COPPER ALLOY OVERALL, flange_shape: ROUND WITH HOLES SECOND END, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, nominal_thickness: 0.560 INCHES SECOND END IN, bolt_hole_quantity: 4 SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-113-4565, 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
T000312971
NSN: 4730-01-113-4565
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 1QZK3 — THE HELLAN STRAINER CO DIV SISTER COMPANY OF CLEVELAND GEAR, SUBS. OF INDUSTRIAL MFG. C (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flange_shapeROUND WITH HOLES SECOND END
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
nominal_thickness0.560 INCHES SECOND END IN
bolt_hole_quantity4 SECOND END
flange_face_designRECESSED WITH GASKET GROOVE SECOND END
nominal_thread_size2.500 INCHES FIRST END IN
recess_nominal_depth0.106 INCHES SECOND END IN
nominal_overall_length1.870 INCHES IN
recess_nominal_diameter3.790 INCHES SECOND END IN
nominal_outside_diameter4.878 INCHES SECOND END IN
NSN4730-01-113-4565
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: T000312971 · 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
•
RECESS NOMINAL DEPTH: 0.106 INCHES SECOND END IN
•
FLANGE SHAPE: ROUND WITH HOLES SECOND END
•
FLANGE FACE DESIGN: RECESSED WITH GASKET GROOVE SECOND END
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 3.400 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.870 INCHES IN
•
CONNECTION TYPE: FLANGE SECOND END
TECHNICAL CHARACTERISTICS
RECESS NOMINAL DEPTH0.106 INCHES SECOND END IN
FLANGE SHAPEROUND WITH HOLES SECOND END
FLANGE FACE DESIGNRECESSED WITH GASKET GROOVE SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
BOLT CIRCLE NOMINAL DIAMETER3.400 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.870 INCHES IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
BOLT HOLE NOMINAL DIAMETER0.386 INCHES SECOND END IN
NOMINAL THREAD SIZE2.500 INCHES FIRST END IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
MB238Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T000312971?
T000312971 is a ADAPTER,STRAIGHT,FLANGE TO PIPE.
What parts can replace T000312971?
There is 1 known substitute for T000312971: MB238. Substitute compatibility should be verified for your specific system.
What is the NSN for T000312971?
T000312971 is cataloged in the U.S. Government catalog under NSN 4730-01-113-4565. This indicates validated use in U.S. government and defense supply chains.
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