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ST7M327 — COUPLING ASSEMBLY,TUBE,FLEXIBLE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ST7M327: COUPLING ASSEMBLY,TUBE,FLEXIBLE.

COUPLING ASSEMBLY,TUBE,FLEXIBLE. Key specifications include material: STEEL COMP 321, overall_length: 2.560 INCHES NOMINAL IN, outside_diameter: 3.170 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: FLEXIBLE COUPLING ASSEMBLY, end_item_identification: AIRCRAFT, HORNET F/A-18. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-278-1233, 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
ST7M327
NSN: 4730-00-278-1233
NIINs: 002781233, 011769081
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 321
overall_length2.560 INCHES NOMINAL IN
outside_diameter3.170 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorFLEXIBLE COUPLING ASSEMBLY
end_item_identificationAIRCRAFT, HORNET F/A-18
working_temp_and_service_type160.0 DEG FAHRENHEIT NOMINAL AIR
criticality_code_justificationFEAT
working_pressure_and_service_type90.0 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR LBS
part_name_assigned_by_controlling_agencyHOUSING-FLEXIBLE CONNECTOR
tube_outside_diameter_for_which_designed2.500 INCHES NOMINAL IN
NSN4730-00-278-1233
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST7M327 · 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
•
WORKING TEMP AND SERVICE TYPE: 160.0 DEG FAHRENHEIT NOMINAL AIR
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 4.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLEXIBLE COUPLING ASSEMBLY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-8808, COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 4.670 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 321
•
WORKING PRESSURE AND SERVICE TYPE: 90.0 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR LBS
TECHNICAL CHARACTERISTICS
WORKING TEMP AND SERVICE TYPE160.0 DEG FAHRENHEIT NOMINAL AIR
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED4.000 INCHES NOMINAL IN
STYLE DESIGNATORFLEXIBLE COUPLING ASSEMBLY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-8808, COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.950 INCHES NOMINAL IN
OUTSIDE DIAMETER4.670 INCHES NOMINAL IN
MATERIALSTEEL COMP 321
WORKING PRESSURE AND SERVICE TYPE90.0 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR LBS
SUBSTITUTES & CROSS-REFERENCES 1
10A367-400-295Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 ST7M327?
ST7M327 is a COUPLING ASSEMBLY,TUBE,FLEXIBLE.
What parts can replace ST7M327?
There is 1 known substitute for ST7M327: 10A367-400-295. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M327?
ST7M327 is cataloged in the U.S. Government catalog under NSN 4730-00-278-1233. This indicates validated use in U.S. government and defense supply chains.
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