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ST7M197-8D — FERRULE,SOCKET WELDED,TUBE FITTI

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ST7M197-8D: FERRULE,SOCKET WELDED,TUBE FITTI.

FERRULE,SOCKET WELDED,TUBE FITTI. Key specifications include material: ALUMINUM ALLOY, flange_width: 0.035 INCHES NOMINAL IN, overall_length: 1.040 INCHES NOMINAL IN, special_features: FLEXIBLE FLUID COUPLING, style_designator: FLARE, seat_angle_in_deg: 37.0. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-275-9515, 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
ST7M197-8D
NSN: 4730-00-275-9515
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
flange_width0.035 INCHES NOMINAL IN
overall_length1.040 INCHES NOMINAL IN
special_featuresFLEXIBLE FLUID COUPLING
style_designatorFLARE
seat_angle_in_deg37.0
casehardening_indicatorNOT CASEHARDENED
end_item_identificationAIRCRAFT APPLICATION
flange_outside_diameter0.683 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN
sleeve_outside_diameter0.625 INCHES NOMINAL IN
hose/tube_outside_diameter_for_which_designed0.500 INCHES NOMINAL IN
NSN4730-00-275-9515
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST7M197-8D · 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
•
SEAT ANGLE IN DEG: 37.0
•
STYLE DESIGNATOR: FLARE
•
SLEEVE OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
FLANGE WIDTH: 0.035 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SEAT ANGLE IN DEG37.0
STYLE DESIGNATORFLARE
OVERALL LENGTH1.040 INCHES NOMINAL IN
SLEEVE OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURESFLEXIBLE FLUID COUPLING
FLANGE WIDTH0.035 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAIRCRAFT APPLICATION
MATERIALALUMINUM ALLOY
FLANGE OUTSIDE DIAMETER0.683 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
ST7M197Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
63052-8BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 ST7M197-8D?
ST7M197-8D is a FERRULE,SOCKET WELDED,TUBE FITTI.
What parts can replace ST7M197-8D?
There are 2 known substitutes for ST7M197-8D: ST7M197, 63052-8B. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M197-8D?
ST7M197-8D is cataloged in the U.S. Government catalog under NSN 4730-00-275-9515. This indicates validated use in U.S. government and defense supply chains.
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