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MCGB-13.5 — PACKING NUT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MCGB-13.5: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include body_width: 1.469 INCHES NOMINAL IN, body_height: 4.469 INCHES NOMINAL IN, body_length: 1.594 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 4.969 INCHES NOMINAL IN, style_designator: RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-683-3838, 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
MCGB-13.5
NSN: 4730-01-683-3838
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3HER7 — MENCOM CORP (USA)
SPECIFICATIONS
body_width1.469 INCHES NOMINAL IN
body_height4.469 INCHES NOMINAL IN
body_length1.594 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height4.969 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
nominal_thread_size0.138 INCHES IN
average_life_rating_in_hours10000.0
reference_frequency_per_function550.0 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function280.00 HERTZ BLANK AND 820.00 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
input_impedance_per_function_w/load600.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity1 THREADED HOLE(S) SECOND FUNCTION
NSN4730-01-683-3838
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MCGB-13.5 · 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
42825Same 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 MCGB-13.5?
MCGB-13.5 is a PACKING NUT.
What parts can replace MCGB-13.5?
There is 1 known substitute for MCGB-13.5: 42825. Substitute compatibility should be verified for your specific system.
What is the NSN for MCGB-13.5?
MCGB-13.5 is cataloged in the U.S. Government catalog under NSN 4730-01-683-3838. 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.