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H309971 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

H309971: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, thread_class: 2A FIRST END A, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, special_features: HEX WRENCHING FEATURE SECOND END,1.500 IN.W ACROSS FLATS IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-065-1762, 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
H309971
NSN: 4730-01-065-1762
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 58163 — MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS DIV MEGGITT DEFENSE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
thread_class2A FIRST END A
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
special_featuresHEX WRENCHING FEATURE SECOND END,1.500 IN.W ACROSS FLATS IN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length0.352 INCHES IN
thread_series_designatorUNF FIRST END
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.744 INCHES FIRST END IN
surface_treatment_document_and_classificationMIL-STD-194 MIL STD SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-065-1762
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H309971 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-STD-194 MIL STD SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 0.352 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.744 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-194 MIL STD SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH0.352 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.744 INCHES FIRST END IN
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
NOMINAL THREAD SIZE0.750 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
309971Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H309971?
H309971 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace H309971?
There is 1 known substitute for H309971: 309971. Substitute compatibility should be verified for your specific system.
What is the NSN for H309971?
H309971 is cataloged in the U.S. Government catalog under NSN 4730-01-065-1762. This indicates validated use in U.S. government and defense supply chains.
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