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B2378 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B2378: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, special_features: 6.010 IN.OD,5.500 IN.ID IN, surface_treatment: CHROMIUM. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-391-5702, 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
B2378
NSN: 4820-00-391-5702
FSC: 4820 — Valves, Nonpowered
CAGE: 00912 — AKRON BRASS COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY
special_features6.010 IN.OD,5.500 IN.ID IN
surface_treatmentCHROMIUM
NSN4820-00-391-5702
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B2378 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: CHROMIUM
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES6.010 IN.OD,5.500 IN.ID IN
SURFACE TREATMENTCHROMIUM
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 7
S428PCS410Reference document
Same NSN cross-reference
Reference document — Secondary reference
2850-00-8-0-04-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
S410Reference document
Same NSN cross-reference
Reference document — Secondary reference
2850-00-2-0-04-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
803-5959217Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
10-00410Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 B2378?
B2378 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace B2378?
There are 7 known substitutes for B2378: S428PCS410, 2850-00-8-0-04-001, S410 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B2378?
B2378 is cataloged in the U.S. Government catalog under NSN 4820-00-391-5702. 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.