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B-400-9KN — ELBOW,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

B-400-9KN: ELBOW,TUBE.

The ELBOW,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 377 BODY, flow_angle: 90.0 DEGREES, leg_length: 1.070 INCHES NOMINAL ALL ENDS IN, seat_angle: 20.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-259-9834, 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
B-400-9KN
NSN: 4730-01-259-9834
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 377 BODY
flow_angle90.0 DEGREES
leg_length1.070 INCHES NOMINAL ALL ENDS IN
seat_angle20.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDS
nominal_thread_size0.438 INCHES ALL ENDS IN
fsc_application_dataINSTRUMENTATION AND PROCESS TUBING
media_for_which_designedFLUID SINGLE RESPONSE
thread_series_designatorUNF ALL ENDS
furnished_items_and_quantity4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT
NSN4730-01-259-9834
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B-400-9KN · 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
•
FURNISHED ITEMS AND QUANTITY: 4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT
•
FLOW ANGLE: 90.0 DEGREES
•
FSC APPLICATION DATA: INSTRUMENTATION AND PROCESS TUBING
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
CRITICALITY CODE JUSTIFICATION: TMQY
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B124 ASSN STD SINGLE MATERIAL RESPONSE OR SAE J461,UNS C37700 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT
FLOW ANGLE90.0 DEGREES
FSC APPLICATION DATAINSTRUMENTATION AND PROCESS TUBING
CONNECTION STYLEFLARELESS (TUBE) ALL ENDS
CRITICALITY CODE JUSTIFICATIONTMQY
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B124 ASSN STD SINGLE MATERIAL RESPONSE OR SAE J461,UNS C37700 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OR SAE J461,UNS C36000 ASSN STD SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONNYLON MFR REF SINGLE MATERIAL RESPONSE SLEEVE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS 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

No substitute or cross-reference records for this part.

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 B-400-9KN?
B-400-9KN is a ELBOW,TUBE.
What is the NSN for B-400-9KN?
B-400-9KN is cataloged in the U.S. Government catalog under NSN 4730-01-259-9834. This indicates validated use in U.S. government and defense supply chains.
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