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7522B-03 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7522B-03: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, connection_type: THREADED INTERNAL BOSS ALL ENDS, special_features: VALVE HAS FULL-PORT SAE STRAIGHT THREADS WITH O-RING BOSS CONNECTIONS., style_designator: STRAIGHT THRU, valve_operation_method: MANUAL, end_item_identification: ANTI-FOULING CHLORINATOR FOR NEW CONSTRUCTION DDG102. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-550-5397, 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
7522B-03
NSN: 4820-01-550-5397
FSC: 4820 — Valves, Nonpowered
CAGE: 22501 — HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC (USA)
SPECIFICATIONS
materialBRONZE BODY
connection_typeTHREADED INTERNAL BOSS ALL ENDS
special_featuresVALVE HAS FULL-PORT SAE STRAIGHT THREADS WITH O-RING BOSS CONNECTIONS.
style_designatorSTRAIGHT THRU
valve_operation_methodMANUAL
end_item_identificationANTI-FOULING CHLORINATOR FOR NEW CONSTRUCTION DDG102
NSN4820-01-550-5397
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7522B-03 · 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
•
CONNECTION TYPE: THREADED INTERNAL BOSS ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: BRONZE BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESVALVE HAS FULL-PORT SAE STRAIGHT THREADS WITH O-RING BOSS CONNECTIONS.
END ITEM IDENTIFICATIONANTI-FOULING CHLORINATOR FOR NEW CONSTRUCTION DDG102
MATERIALBRONZE BODY
VALVE OPERATION METHODMANUAL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
7600 ITEM 19Same 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 7522B-03?
7522B-03 is a VALVE,BALL.
What parts can replace 7522B-03?
There is 1 known substitute for 7522B-03: 7600 ITEM 19. Substitute compatibility should be verified for your specific system.
What is the NSN for 7522B-03?
7522B-03 is cataloged in the U.S. Government catalog under NSN 4820-01-550-5397. 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.