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ST7M400 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ST7M400: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END, special_features: WEAPON SYSTEM ESSENTIAL, surface_treatment: LUBRICANT OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-131-3091, 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
ST7M400
NSN: 4730-01-131-3091
NIINs: 011313091, 011337356, 011709163, 011728232, 011789648
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 66776 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN / EAGLE PRODUCTS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
special_featuresWEAPON SYSTEM ESSENTIAL
surface_treatmentLUBRICANT OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.688 INCHES FIRST END IN
maximum_operating_temp135.0 CELSIUS SINGLE RESPONSE DEGC
nominal_overall_length1.164 INCHES IN
end_item_identificationF/A-18 HORNET AIRCRAFT
thread_quantity_per_inch12 FIRST END
NSN4730-01-131-3091
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST7M400 · 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: EVERLUBE 620A MFR REF SINGLE TREATMENT RESPONSE BODY A
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
•
NOMINAL OVERALL LENGTH: 1.278 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4967 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONEVERLUBE 620A MFR REF SINGLE TREATMENT RESPONSE BODY A
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLECUSHION SEAL (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.278 INCHES IN
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4967 ASSN STD SINGLE MATERIAL RESPONSE BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 3
ST7M400T1206Reference document
Same NSN cross-reference
Reference document — Secondary reference
RF5012-06-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
10108693Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is ST7M400?
ST7M400 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace ST7M400?
There are 3 known substitutes for ST7M400: ST7M400T1206, RF5012-06-13, 10108693. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M400?
ST7M400 is cataloged in the U.S. Government catalog under NSN 4730-01-131-3091. This indicates validated use in U.S. government and defense supply chains.
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