PartsTable
Technical Data Sheet

A-A-59440/1 — SERVER,AUTOMATIC DATA PROCESSING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A-A-59440/1: SERVER,AUTOMATIC DATA PROCESSING.

SERVER,AUTOMATIC DATA PROCESSING. Key specifications include material: COPPER ALLOY BODY, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, operating_pressure: 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: STEM, nominal_thread_size: 0.25 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-174-0339, 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-A-59440/1
NSN: 4820-00-174-0339
NIINs: 001740339, 002769041, 006840880, 007204488, 007529040, 008491220, 012291725, 013792044, 016601177
FSC: 4820 — Valves, Nonpowered
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
operating_pressure150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceSTEM
nominal_thread_size0.25 INCHES FIRST END IN
maximum_operating_temp150.00 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
end_item_identification2350-01-577-0830
thread_quantity_per_inch18 FIRST END
thread_series_designatorNPTF FIRST END
nominal_pipe_size_accommodated0.25 INCHES FIRST END IN
NSN4820-00-174-0339
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-A-59440/1 · 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: DISK OR STEM
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-626 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,ALLOY 360 FED SPEC 2ND MATERIAL RESPONSE BODY
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
TYPICAL APPLICATIONS
  • Enterprise virtualization (VMware vSphere, Hyper-V)
  • Private cloud infrastructure (OpenStack, Azure Stack)
  • Email and collaboration platforms (Exchange, SharePoint)
  • High-availability clustering and failover
  • DevOps and CI/CD pipeline hosting
  • Remote desktop and VDI infrastructure
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK OR STEM
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES FIRST END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-626 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,ALLOY 360 FED SPEC 2ND MATERIAL RESPONSE BODY
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
SPECIFICATION/STANDARD DATA96906-MS36782-3 GOVERNMENT STANDARD
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
701043BReference document
Same NSN cross-reference
Reference document — Secondary reference
45854Reference document
Same NSN cross-reference
Reference document — Secondary reference
U1671Reference document
Same NSN cross-reference
Reference document — Secondary reference
19Reference document
Same NSN cross-reference
Reference document — Secondary reference
6-1-743-2-19Reference document
Same NSN cross-reference
Reference document — Secondary reference
102489Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-A-59440/1?
A-A-59440/1 is a SERVER,AUTOMATIC DATA PROCESSING.
What parts can replace A-A-59440/1?
There are 9 known substitutes for A-A-59440/1: 701043B, 45854, U1671 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-59440/1?
A-A-59440/1 is cataloged in the U.S. Government catalog under NSN 4820-00-174-0339. 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.