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AD-A603-1D31 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AD-A603-1D31: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: ALUMINUM ALLOY 6061, overall_height: 1.195 INCHES MINIMUM AND 2.205 INCHES MAXIMUM IN, outside_diameter: 1.660 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN, style_designator: SPECIAL SHAPED, media_for_which_designed: AIR, material_document_and_classification: QQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-359-8491, 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
AD-A603-1D31
NSN: 4820-01-359-8491
FSC: 4820 — Valves, Nonpowered
CAGE: 18350 — PALL AEROPOWER CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
overall_height1.195 INCHES MINIMUM AND 2.205 INCHES MAXIMUM IN
outside_diameter1.660 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN
style_designatorSPECIAL SHAPED
media_for_which_designedAIR
material_document_and_classificationQQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-359-8491
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AD-A603-1D31 · 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
•
OUTSIDE DIAMETER: 1.660 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE
•
MEDIA FOR WHICH DESIGNED: AIR
•
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.195 INCHES MINIMUM AND 2.205 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.660 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN
STYLE DESIGNATORSPECIAL SHAPED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE
MEDIA FOR WHICH DESIGNEDAIR
MATERIALALUMINUM ALLOY 6061
SUBSTITUTES & CROSS-REFERENCES 1
10124723Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AD-A603-1D31?
AD-A603-1D31 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace AD-A603-1D31?
There is 1 known substitute for AD-A603-1D31: 10124723. Substitute compatibility should be verified for your specific system.
What is the NSN for AD-A603-1D31?
AD-A603-1D31 is cataloged in the U.S. Government catalog under NSN 4820-01-359-8491. 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.