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AT103438 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AT103438: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include flow_control_device: DISK, maximum_operating_temp: 3500.0 FAHRENHEIT SINGLE RESPONSE DEGF, valve_operation_method: AUTOMATIC, end_item_identification: 3805-01-279-3635, opening_pressure_setting: 3250.0 POUNDS PER SQUARE INCH LBS, thread_series_designator: NPT ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-332-0818, 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
AT103438
NSN: 4820-01-332-0818
FSC: 4820 — Valves, Nonpowered
CAGE: 75755 — DEERE & COMPANY DBA DEERE JOHN CO (USA)
SPECIFICATIONS
flow_control_deviceDISK
maximum_operating_temp3500.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
end_item_identification3805-01-279-3635
opening_pressure_setting3250.0 POUNDS PER SQUARE INCH LBS
thread_series_designatorNPT ALL ENDS
valve_discharge_flow_rate10.0 GALLONS PER MINUTE
NSN4820-01-332-0818
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AT103438 · 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
•
CONNECTION STYLE: PLAIN (SCREW-IN CARTRIDGE) ALL ENDS
•
CONNECTION TYPE: THREADED CARTRIDGE ALL ENDS
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
MAXIMUM OPERATING TEMP: 3500.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
OPENING PRESSURE SETTING: 3250.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLEPLAIN (SCREW-IN CARTRIDGE) ALL ENDS
CONNECTION TYPETHREADED CARTRIDGE ALL ENDS
STYLE DESIGNATORSCREW-IN CARTRIDGE
MAXIMUM OPERATING TEMP3500.0 FAHRENHEIT SINGLE RESPONSE DEGF
END ITEM IDENTIFICATION3805-01-279-3635
THREAD SERIES DESIGNATORNPT ALL ENDS
OPENING PRESSURE SETTING3250.0 POUNDS PER SQUARE INCH LBS
VALVE DISCHARGE FLOW RATE10.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC
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

No substitute or cross-reference records for this part.

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 AT103438?
AT103438 is a VALVE,SAFETY RELIEF.
What is the NSN for AT103438?
AT103438 is cataloged in the U.S. Government catalog under NSN 4820-01-332-0818. 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.