PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-1001Valve,pressure Actuated Drain

Aerocontrolex Group, Inc. Dba Aero Fluid Products · NSN 4820-01-160-4977 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-160-4977 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-160-4977. Primary manufacturer part number: 12-1001.
Features
  • Valve,pressure Actuated Drain — FSC 4820
  • General Characteristics Item Description: 1.500 IN. SQ;0.500 IN. H;4 MTG HOLES 0.205 IN. DIA;C TO C DISTANCE BETWEEN HOLES ALONG LG AND W 1.000 IN.;OPERATING MEDIA HIGH TEMP AIR AND LOW TEMP WATER;OPERATING RANGE OPEN AT 4 PSIG,CLOSE AT 10 PSIG;MAX TEMP 1000.0 F;MAX OP 165 PSIG;STAINLESS STEEL;PASSIVATE PER MIL-S-5002 IN
  • 6 verified cross-references
  • Primary manufacturer: Aerocontrolex Group, Inc. Dba Aero Fluid Products
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,pressure Actuated Drain, cataloged under National Stock Number 4820-01-160-4977, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerocontrolex Group, Inc. Dba Aero Fluid Products. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN4820-01-160-4977
Primary Part Number12-1001
Item NameValve,pressure Actuated Drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Dba Aero Fluid Products
StatusACTIVE
General Characteristics Item Description1.500 IN. SQ;0.500 IN. H;4 MTG HOLES 0.205 IN. DIA;C TO C DISTANCE BETWEEN HOLES ALONG LG AND W 1.000 IN.;OPERATING MEDIA HIGH TEMP AIR AND LOW TEMP WATER;OPERATING RANGE OPEN AT 4 PSIG,CLOSE AT 10 PSIG;MAX TEMP 1000.0 F;MAX OP 165 PSIG;STAINLESS STEEL;PASSIVATE PER MIL-S-5002 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-078-4186 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5999-00-180-2808121-001 INTERCHANGEABLE
Clip,electrical
Littelfuse, Inc.
5950-00-778-8649SM-D-623916 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-885-161012100-1 INTERCHANGEABLE
Valve Assembly
Bahr Machine Company Inc Dba Bahr Machine Co
6350-01-045-605612100-1 INTERCHANGEABLE
Processor,surveillance Data
General Nucleonics, Inc. Dba General Nucleonics Inc
4820-01-195-637512-1011 INTERCHANGEABLE
Cap,valve
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5910-01-196-3234121-001 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Panametrics Llc
6625-01-266-5934 INTERCHANGEABLE
Generator,pulse
5975-01-339-7078121-001 INTERCHANGEABLE
Bushing,strain Relief,cable
Instrument Technology, Inc.
3040-01-436-0145A-800-12526-0401 INTERCHANGEABLE
Shaft,shouldered
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
10163144 Nimikkeistokeskus Ncb Finland (FIN)
74J508003-201 The Boeing Company Div Defense (USA)
12-1001 PRIMARY Aerocontrolex Group, Inc. Dba Aero Fluid Products (USA)
74J508003-201 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
74J508003-201 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
74J508003 The Boeing Company Div Defense (USA)
Related Parts
5910-00-078-4186INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5999-00-180-2808INTERCHANGEABLE
CLIP,ELECTRICAL
121-001
5950-00-778-8649INTERCHANGEABLE
TRANSFORMER,POWER
SM-D-623916
4820-00-885-1610INTERCHANGEABLE
VALVE ASSEMBLY
12100-1
6350-01-045-6056INTERCHANGEABLE
PROCESSOR,SURVEILLANCE DATA
12100-1
4820-01-195-6375INTERCHANGEABLE
CAP,VALVE
12-1011
5910-01-196-3234INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
121-001
6625-01-266-5934INTERCHANGEABLE
GENERATOR,PULSE
5975-01-339-7078INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
121-001
3040-01-436-0145INTERCHANGEABLE
SHAFT,SHOULDERED
A-800-12526-0401
5930-01-459-6863INTERCHANGEABLE
RETAINER,ELECTRICAL SWITCH
12100-1
6550-01-580-8380INTERCHANGEABLE
CONTROL SET,DIGOXIN
447030

Frequently Asked Questions

What is NSN 4820-01-160-4977?

NSN 4820-01-160-4977 is a Valve,pressure Actuated Drain, manufactured by Aerocontrolex Group, Inc. Dba Aero Fluid Products, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-160-4977?

NSN 4820-01-160-4977 has 6 cross-referenced part numbers: 10163144 (Nimikkeistokeskus Ncb Finland), 74J508003-201 (The Boeing Company Div Defense), 12-1001 (Aerocontrolex Group, Inc. Dba Aero Fluid Products), 74J508003-201 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74J508003-201 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 1 more.

What NSN replaces 4820-01-160-4977?

There are 12 known substitutes for 4820-01-160-4977: 5910-00-078-4186, 5999-00-180-2808, 5950-00-778-8649 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-1001?

Key specifications for 12-1001: General Characteristics Item Description: 1.500 IN. SQ;0.500 IN. H;4 MTG HOLES 0.205 IN. DIA;C TO C DISTANCE BETWEEN HOLES ALONG LG AND W 1.000 IN.;OPERATING MEDIA HIGH TEMP AIR AND LOW TEMP WATER;OPERATING RANGE OPEN AT 4 PSIG,CLOSE AT 10 PSIG;MAX TEMP 1000.0 F;MAX OP 165 PSIG;STAINLESS STEEL;PASSIVATE PER MIL-S-5002 IN. 1 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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