PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11400Valve,safety Relief

Donaldson Company, Inc. · NSN 4820-00-903-8360 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-903-8360 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-903-8360. Primary manufacturer part number: 11400.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Style: GASKET SEAL(BOSS) FIRST END
  • Material: STEEL CORROSION RESISTING SEAT
  • Thread Class: 3B FIRST END
  • Disk Loading Method: SPRING
  • Valve Discharge Flow Rate: 6.0 GALLONS PER MINUTE
  • Thread Quantity Per Inch: 16 FIRST END
  • Connection Type: THREADED INTERNAL BOSS FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-903-8360, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Donaldson Company, Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-903-8360
Primary Part Number11400
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDonaldson Company, Inc.
StatusACTIVE
Connection StyleGASKET SEAL(BOSS) FIRST END
MaterialSTEEL CORROSION RESISTING SEAT
Thread Class3B FIRST END
Disk Loading MethodSPRING
Valve Discharge Flow Rate6.0 GALLONS PER MINUTE
Thread Quantity Per Inch16 FIRST END
Connection TypeTHREADED INTERNAL BOSS FIRST END
Thread DirectionRIGHT-HAND FIRST END
Bonnet TypePACKING RETAINING
Opening Pressure Setting2000.0 POUNDS PER SQUARE INCH LBS
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.750 INCHES FIRST END IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Style DesignatorSTRAIGHT THRU
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Flow Control DevicePOPPET
Maximum Operating Temp280.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialALUMINUM ALLOY BODY
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9282 INTERCHANGEABLE
Drill,twist
5330-00-430-942611400 INTERCHANGEABLE
Gasket
Komatsu America Corporation
1005-00-512-768611400 INTERCHANGEABLE
Tube Assy,gun Charg
Nobles Worldwide, Inc.
2910-00-512-78170-11400 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
5840-00-847-778611400 INTERCHANGEABLE
Electronic,subassem
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5120-00-870-692811400 INTERCHANGEABLE
Screwdriver Bit Set and Handle
Horizon Tool, Inc.
5315-01-025-475411-400 INTERCHANGEABLE
Pin,spring
Pdi Ground Support Systems, Inc.
5950-01-076-178812272678 INTERCHANGEABLE
Reactor
U S Army Tank Automotive Command Amsta-Im-Mm
2915-01-101-005811400 INTERCHANGEABLE
Compression Isert
Ctl Aerospace Inc
6150-01-126-25130N199260-3 INTERCHANGEABLE
Cable Assembly,special Purpose,e
National Security Agency
Cross-Reference Index
Part NumberManufacturer
HE284-5004-0001 Rockwell International Corp North American Aircraft Opns (USA)
11400 Michigan Dynamics Inc (USA)
11400 PRIMARY Donaldson Company, Inc. (USA)
11400 Benton Div Ambac Industries Inc (USA)
Related Parts
5133-00-189-9282INTERCHANGEABLE
DRILL,TWIST
5330-00-430-9426INTERCHANGEABLE
GASKET
11400
1005-00-512-7686INTERCHANGEABLE
TUBE ASSY,GUN CHARG
11400
2910-00-512-7817INTERCHANGEABLE
CARBURETOR,FLOAT
0-11400
5840-00-847-7786INTERCHANGEABLE
ELECTRONIC,SUBASSEM
11400
5120-00-870-6928INTERCHANGEABLE
SCREWDRIVER BIT SET AND HANDLE
11400
5315-01-025-4754INTERCHANGEABLE
PIN,SPRING
11-400
5950-01-076-1788INTERCHANGEABLE
REACTOR
12272678
2915-01-101-0058INTERCHANGEABLE
COMPRESSION ISERT
11400
6150-01-126-2513INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
0N199260-3
6105-01-176-3425INTERCHANGEABLE
MOTOR,DIRECT CURRENT
11400
4940-01-266-5652INTERCHANGEABLE
GEAR SEGMENT
11400

Frequently Asked Questions

What is NSN 4820-00-903-8360?

NSN 4820-00-903-8360 is a Valve,safety Relief, manufactured by Donaldson Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-903-8360?

NSN 4820-00-903-8360 has 4 cross-referenced part numbers: HE284-5004-0001 (Rockwell International Corp North American Aircraft Opns), 11400 (Michigan Dynamics Inc), 11400 (Donaldson Company, Inc.), 11400 (Benton Div Ambac Industries Inc).

What NSN replaces 4820-00-903-8360?

There are 12 known substitutes for 4820-00-903-8360: 5133-00-189-9282, 5330-00-430-9426, 1005-00-512-7686 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11400?

Key specifications for 11400: Connection Style: GASKET SEAL(BOSS) FIRST END; Material: STEEL CORROSION RESISTING SEAT; Thread Class: 3B FIRST END; Disk Loading Method: SPRING. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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