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XB6243 — AUXILIARY MOUNT PUM

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

XB6243: AUXILIARY MOUNT PUM.

The AUXILIARY MOUNT PUM is a the manufacturer industrial component. Key specifications include material: STEEL OUTER LAYER, body_width: 2.750 INCHES MAXIMUM IN, body_height: 4.500 INCHES MAXIMUM IN, body_length: 3.438 INCHES MAXIMUM IN, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.0938 INCHES NOMINAL FIRST IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-647-9992, 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
XB6243
NSN: 4730-01-647-9992
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OUTER LAYER
body_width2.750 INCHES MAXIMUM IN
body_height4.500 INCHES MAXIMUM IN
body_length3.438 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
hole_diameter0.0938 INCHES NOMINAL FIRST IN
inclosure_typeHERMETICALLY SEALED
overall_length2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C NOMINAL OVERALL
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating48.0 HERTZ MINIMUM AND 450.0 HERTZ MAXIMUM SINGLE COMPONENT
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
NSN4730-01-647-9992
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: XB6243 · 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
SUBSTITUTES & CROSS-REFERENCES 1
37760Same 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 XB6243?
XB6243 is a AUXILIARY MOUNT PUM.
What parts can replace XB6243?
There is 1 known substitute for XB6243: 37760. Substitute compatibility should be verified for your specific system.
What is the NSN for XB6243?
XB6243 is cataloged in the U.S. Government catalog under NSN 4730-01-647-9992. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.