PartsTable
Technical Data Sheet

BA01A 1/2 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

BA01A 1/2: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: NICKEL AND ALUMINUM AND BRONZE STEM, valve_size: 0.500 INCHES IN, style_designator: STRAIGHT THRU FLANGED ENDS, valve_operation_method: MANUAL, part_name_assigned_by_controlling_agency: REDUCED BORE BALL VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-667-4053, 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
BA01A 1/2
NSN: 4820-01-667-4053
FSC: 4820 — Valves, Nonpowered
CAGE: 0EYA6 — DEFENSE MARITIME SOLUTIONS, INC. (USA)
SPECIFICATIONS
materialNICKEL AND ALUMINUM AND BRONZE STEM
valve_size0.500 INCHES IN
style_designatorSTRAIGHT THRU FLANGED ENDS
valve_operation_methodMANUAL
part_name_assigned_by_controlling_agencyREDUCED BORE BALL VALVE
NSN4820-01-667-4053
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BA01A 1/2 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
VALVE SIZE: 0.500 INCHES IN
•
MATERIAL: NICKEL AND ALUMINUM AND BRONZE BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE0.500 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYREDUCED BORE BALL VALVE
MATERIALNICKEL AND ALUMINUM AND BRONZE BODY
MATERIALNICKEL AND ALUMINUM AND BRONZE SEAT
MATERIALNICKEL AND ALUMINUM AND BRONZE STEM
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
TABLE 7-61 PG 7-147 BA01 1/2Same 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 BA01A 1/2?
BA01A 1/2 is a VALVE,BALL.
What parts can replace BA01A 1/2?
There is 1 known substitute for BA01A 1/2: TABLE 7-61 PG 7-147 BA01 1/2. Substitute compatibility should be verified for your specific system.
What is the NSN for BA01A 1/2?
BA01A 1/2 is cataloged in the U.S. Government catalog under NSN 4820-01-667-4053. 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.