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77-903-01 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

77-903-01: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, special_features: BRONZE BALL VALVE; 3/4-16 THD, style_designator: STRAIGHT THRU, face_to_face_distance: 2.250 INCHES IN, valve_operation_method: MANUAL, end_item_identification: NEW CONSTRUCTION LPD-17; LP MEMBRANE DEHYDRATOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-552-9313, 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
77-903-01
NSN: 4820-01-552-9313
FSC: 4820 — Valves, Nonpowered
CAGE: 72219 — AALBERTS INTEGRATED PIPING SYSTEMS AMERICAS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
special_featuresBRONZE BALL VALVE; 3/4-16 THD
style_designatorSTRAIGHT THRU
face_to_face_distance2.250 INCHES IN
valve_operation_methodMANUAL
end_item_identificationNEW CONSTRUCTION LPD-17; LP MEMBRANE DEHYDRATOR
NSN4820-01-552-9313
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 77-903-01 · 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
•
FACE TO FACE DISTANCE: 2.250 INCHES IN
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESBRONZE BALL VALVE; 3/4-16 THD
FACE TO FACE DISTANCE2.250 INCHES IN
END ITEM IDENTIFICATIONNEW CONSTRUCTION LPD-17; LP MEMBRANE DEHYDRATOR
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 2
7522-01Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7005 ITEM 3Same 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 77-903-01?
77-903-01 is a VALVE,BALL.
What parts can replace 77-903-01?
There are 2 known substitutes for 77-903-01: 7522-01, 7005 ITEM 3. Substitute compatibility should be verified for your specific system.
What is the NSN for 77-903-01?
77-903-01 is cataloged in the U.S. Government catalog under NSN 4820-01-552-9313. 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.