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B10978 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B10978: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include width: 1.047 INCHES NOMINAL IN, length: 2.750 INCHES NOMINAL IN, material: PLASTIC, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, special_features: 0.219 INCH RADIUS SEMI-CIRCULAR NOTCH AT CENTER OF LONGER SIDE IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-288-8407, 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
B10978
NSN: 4820-00-288-8407
NIINs: 002888407, 005521604
FSC: 4820 — Valves, Nonpowered
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
width1.047 INCHES NOMINAL IN
length2.750 INCHES NOMINAL IN
materialPLASTIC
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
special_features0.219 INCH RADIUS SEMI-CIRCULAR NOTCH AT CENTER OF LONGER SIDE IN
style_designatorSTRAIGHT THRU
attachment_methodCENTER HOLE
mounting_positionHORIZONTAL
material_thickness0.060 INCHES NOMINAL IN
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
NSN4820-00-288-8407
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B10978 · 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
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY OVERALL
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLESOCKET (TUBE) ALL ENDS
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY OVERALL
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 7
54SFG17PC49Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
54SFG16PC68Reference document
Same NSN cross-reference
Reference document — Secondary reference
54SFG94PC68Reference document
Same NSN cross-reference
Reference document — Secondary reference
66SFGPC59Reference document
Same NSN cross-reference
Reference document — Secondary reference
54SFG91PC68Reference document
Same NSN cross-reference
Reference document — Secondary reference
WW5709580ITEM88Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B10978?
B10978 is a VALVE,CHECK.
What parts can replace B10978?
There are 7 known substitutes for B10978: 54SFG17PC49, 54SFG16PC68, 54SFG94PC68 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B10978?
B10978 is cataloged in the U.S. Government catalog under NSN 4820-00-288-8407. This indicates validated use in U.S. government and defense supply chains.
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