PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12755AD401RFloat Assembly,valve

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4820-01-028-5553 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-028-5553 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-028-5553. Primary manufacturer part number: 12755AD401R.
Features
  • Float Assembly,valve — FSC 4820
  • General Characteristics Item Description: CONSISTS OF 1 EA NEOPRENE COMPOSITION FLOAT,1 EA BRASS TUBE W/ORIFICE,1 EA ALUMINUM PACKING DISK
  • 2 verified cross-references
  • Primary manufacturer: Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Float Assembly,valve, cataloged under National Stock Number 4820-01-028-5553, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-028-5553
Primary Part Number12755AD401R
Item NameFloat Assembly,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 EA NEOPRENE COMPOSITION FLOAT,1 EA BRASS TUBE W/ORIFICE,1 EA ALUMINUM PACKING DISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-00-912-5207127-55 INTERCHANGEABLE
Bearing,sleeve
Northfield Precision Instrument Corp Dba Northfield Precision Instrument Corp
2910-00-980-2300127655 INTERCHANGEABLE
Piston,advance Spring
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4730-01-041-2707CS4440-SR-0701 INTERCHANGEABLE
Strainer Element,sediment
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5305-01-214-6111 INTERCHANGEABLE
Screw,cap,hexagon Head
6760-01-340-7888 INTERCHANGEABLE
Shade,photographic Lens
3040-01-476-606812755-2 INTERCHANGEABLE
Spindle,mechanically Actuated
B.w. Elliott Manufacturing Co., Llc
3040-01-498-210612755-1 INTERCHANGEABLE
Spindle,mechanically Actuated
B.w. Elliott Manufacturing Co., Llc
3040-01-498-211112755-3 INTERCHANGEABLE
Spindle,mechanically Actuated
B.w. Elliott Manufacturing Co., Llc
1005-01-632-299112755 INTERCHANGEABLE
Accelerator,machine Gun
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
12755AD401R PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
12755 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
3120-00-912-5207INTERCHANGEABLE
BEARING,SLEEVE
127-55
2910-00-980-2300INTERCHANGEABLE
PISTON,ADVANCE SPRING
127655
4730-01-041-2707INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
CS4440-SR-0701
5305-01-214-6111INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6760-01-340-7888INTERCHANGEABLE
SHADE,PHOTOGRAPHIC LENS
3040-01-476-6068INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
12755-2
3040-01-498-2106INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
12755-1
3040-01-498-2111INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
12755-3
1005-01-632-2991INTERCHANGEABLE
ACCELERATOR,MACHINE GUN
12755

Frequently Asked Questions

What is NSN 4820-01-028-5553?

NSN 4820-01-028-5553 is a Float Assembly,valve, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-028-5553?

NSN 4820-01-028-5553 has 2 cross-referenced part numbers: 12755AD401R (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), 12755 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4820-01-028-5553?

There are 9 known substitutes for 4820-01-028-5553: 3120-00-912-5207, 2910-00-980-2300, 4730-01-041-2707 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12755AD401R?

Key specifications for 12755AD401R: End Item Identification: ELECTRO IMPULSE LABORATORY INC AUTO DRAIN VALVE P/N 12755; General Characteristics Item Description: CONSISTS OF 1 EA NEOPRENE COMPOSITION FLOAT,1 EA BRASS TUBE W/ORIFICE,1 EA ALUMINUM PACKING DISK. 2 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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