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313D — COUPLING,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

313D: COUPLING,PIPE.

The COUPLING,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, connection_type: THREADED INTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, special_features: BONDED OUTSIDE SURFACE TREATMENT, style_designator: PLAIN, operating_pressure: 2310.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-640-0847, 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
313D
NSN: 4730-00-640-0847
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
connection_typeTHREADED INTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
special_featuresBONDED OUTSIDE SURFACE TREATMENT
style_designatorPLAIN
operating_pressure2310.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
nominal_thread_size6.000 INCHES SECOND END IN
maximum_operating_temp37.8 CELSIUS SECOND RESPONSE DEGC
nominal_overall_length5.000 INCHES IN
media_for_which_designedWATER-OIL-GAS SECOND RESPONSE
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated6.000 INCHES FIRST END IN
NSN4730-00-640-0847
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 313D · 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: 6.000 INCHES SECOND END IN
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
NOMINAL OVERALL LENGTH: 5.000 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED6.000 INCHES SECOND END IN
NOMINAL PIPE SIZE ACCOMMODATED6.000 INCHES FIRST END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH5.000 INCHES IN
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105,GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
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
336-6INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 313D?
313D is a COUPLING,PIPE.
What parts can replace 313D?
There is 1 known substitute for 313D: 336-6IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 313D?
313D is cataloged in the U.S. Government catalog under NSN 4730-00-640-0847. This indicates validated use in U.S. government and defense supply chains.
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