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S507-43-0403 — SEAL BONNET,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

S507-43-0403: SEAL BONNET,TUBE.

The SEAL BONNET,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 2A A, thread_length: 0.980 INCHES IN, stud_thread_size: 5/16-18, style_designator: BULKHEAD MOUNTED FLARE SEAL BONNET, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-242-7784, 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
S507-43-0403
NSN: 4730-01-242-7784
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 35756 — WAJAX INDUSTRIES LTD (CAN)
SPECIFICATIONS
materialSTEEL
thread_class2A A
thread_length0.980 INCHES IN
stud_thread_size5/16-18
style_designatorBULKHEAD MOUNTED FLARE SEAL BONNET
thread_directionRIGHT-HAND
stud_overall_length1.230 INCHES NOMINAL IN
screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
tube_outside_diameter_for_which_designed0.500 INCHES NOMINAL IN
NSN4730-01-242-7784
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S507-43-0403 · 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
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.500 INCHES NOMINAL IN
•
STUD THREAD SIZE: 5/16-18
•
STYLE DESIGNATOR: BULKHEAD MOUNTED FLARE SEAL BONNET
•
THREAD LENGTH: 0.980 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.500 INCHES NOMINAL IN
STUD THREAD SIZE5/16-18
STYLE DESIGNATORBULKHEAD MOUNTED FLARE SEAL BONNET
THREAD LENGTH0.980 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2A A
MATERIALSTEEL
STUD OVERALL LENGTH1.230 INCHES NOMINAL 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 2
8 T22X-SReference document
Same NSN cross-reference
Reference document — Design control — primary reference
S507-43-040XReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 S507-43-0403?
S507-43-0403 is a SEAL BONNET,TUBE.
What parts can replace S507-43-0403?
There are 2 known substitutes for S507-43-0403: 8 T22X-S, S507-43-040X. Substitute compatibility should be verified for your specific system.
What is the NSN for S507-43-0403?
S507-43-0403 is cataloged in the U.S. Government catalog under NSN 4730-01-242-7784. This indicates validated use in U.S. government and defense supply chains.
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