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ST7M389 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

ST7M389: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: GLASS FIBER AND SILICONE OVERALL, temp_rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF, cross-sectional_length: 2.625 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN, end_item_identification: F15-EX, cross-sectional_shape_style: SPHERICAL, specification/standard_data: 76301-ST7-389 MANUFACTURERS STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-432-9014, 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
ST7M389
NSN: 4720-01-432-9014
NIINs: 014329014, 015014893, 016695994, 017071183, 017071506, 017071880, 017190408, 017194207, 017237210, 017237212, 017239241, 017256123
FSC: 4720 — Hose and Flexible Tubing
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialGLASS FIBER AND SILICONE OVERALL
temp_rating-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
special_featuresINNER PLY SHALL BE TYPE IV, STYLE 128 YARN GLASS FABRIC PER MIL-C-9084. OUTER PLIES SHALL BE TYPE VII, STYLE 164 YARN PER MIL-C-9084.
cross-sectional_length2.625 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN
end_item_identificationF15-EX
cross-sectional_shape_styleSPHERICAL
specification/standard_data76301-ST7-389 MANUFACTURERS STANDARD
cross_section_inside_diameter0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
cross_section_outside_diameter1.07 INCHES MINIMUM AND 1.11 INCHES MAXIMUM IN
material_document_and_classificationMIL-C-9084 TYPE VII,STYLE 164 YARN MIL SPEC SINGLE MATERIAL RESPONSE INSERT
part_name_assigned_by_controlling_agencySLEEVE, SEAL, COUPLER
NSN4720-01-432-9014
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: ST7M389 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MEASURING METHOD AND LENGTH: 1.750 INCHES NOMINAL OVERALL IN
•
CONNECTION TYPE: PLAIN BOTH ENDS
•
STYLE DESIGNATOR: SLEEVE SECTION
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
WALL THICKNESS: 0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
•
OPERATING PRESSURE: 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
INSIDE DIAMETER: 0.625 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH1.750 INCHES NOMINAL OVERALL IN
CONNECTION TYPEPLAIN BOTH ENDS
STYLE DESIGNATORSLEEVE SECTION
CROSS-SECTIONAL SHAPE STYLEROUND
WALL THICKNESS0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
OPERATING PRESSURE20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
INSIDE DIAMETER0.625 INCHES NOMINAL FIRST END IN
END ITEM IDENTIFICATIONF-15S AIRCRAFT
SUBSTITUTES & CROSS-REFERENCES 5
FT1995-5-7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
NAS522Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
NAS520Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
ST7M389-5-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FLX7001-5-7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 ST7M389?
ST7M389 is a HOSE,AIR DUCT.
What parts can replace ST7M389?
There are 5 known substitutes for ST7M389: FT1995-5-7, NAS522, NAS520 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M389?
ST7M389 is cataloged in the U.S. Government catalog under NSN 4720-01-432-9014. This indicates validated use in U.S. government and defense supply chains.
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