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A-15525 — GEAR,SPUR

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A-15525: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, seat_angle: 45.0 DEGREES FIRST END, tooth_form: STANDARD, bonnet_type: INSIDE SCREW. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-113-4541, 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
A-15525
NSN: 4820-01-113-4541
NIINs: 011134541, 011781067
FSC: 4820 — Valves, Nonpowered
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
seat_angle45.0 DEGREES FIRST END
tooth_formSTANDARD
bonnet_typeINSIDE SCREW
thread_class3A FIRST END A
pitch_diameter0.9843 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity63
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
NSN4820-01-113-4541
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-15525 · 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: DIAPHRAGM
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: ANGLE
•
OPERATING PRESSURE: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
BONNET TYPE: INSIDE SCREW
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDIAPHRAGM
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATORANGLE
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET TYPEINSIDE SCREW
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
SUBSTITUTES & CROSS-REFERENCES 2
MMP91725-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
MMP91725Reference 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 A-15525?
A-15525 is a GEAR,SPUR.
What parts can replace A-15525?
There are 2 known substitutes for A-15525: MMP91725-1, MMP91725. Substitute compatibility should be verified for your specific system.
What is the NSN for A-15525?
A-15525 is cataloged in the U.S. Government catalog under NSN 4820-01-113-4541. This indicates validated use in U.S. government and defense supply chains.
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