PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-99Valve Assembly

Pakon Inc Dba Impak Division · NSN 4820-00-409-1929 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-409-1929 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-409-1929. Primary manufacturer part number: 11-99.
Features
  • Valve Assembly — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Pakon Inc Dba Impak Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4820-00-409-1929, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pakon Inc Dba Impak Division. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve Assembly
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersPakon Inc Dba Impak Division (CAGE 1Z473)
Technical Specifications
ParameterValue
NSN4820-00-409-1929
Primary Part Number11-99
Item NameValve Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPakon Inc Dba Impak Division
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-292-1634 INTERCHANGEABLE
Seal,plain Encased
3040-00-388-094411319 INTERCHANGEABLE
Shaft,steam Turbine
Rps-Fl, Inc. Dba Rps Inc
5360-00-535-8852 INTERCHANGEABLE
Spring,helical,compression
5950-00-660-76979187533 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
2910-00-759-5345 INTERCHANGEABLE
Carburetor,float
3120-00-776-0068119-9 INTERCHANGEABLE
Bushing,sleeve
Goodrich Corporation
5310-00-950-97131199 INTERCHANGEABLE
Nut,plain,knurled
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5930-00-986-3791 INTERCHANGEABLE
Switch,rotary
3120-00-992-0585AA1339-2 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
5365-00-997-0139 INTERCHANGEABLE
Bushing
Cross-Reference Index
Part NumberManufacturer
11-99 PRIMARY Pakon Inc Dba Impak Division (USA)
11-3-19 Pakon Inc Dba Impak Division (USA)
Related Parts
5330-00-292-1634INTERCHANGEABLE
SEAL,PLAIN ENCASED
3040-00-388-0944INTERCHANGEABLE
SHAFT,STEAM TURBINE
11319
5360-00-535-8852INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-660-7697INTERCHANGEABLE
TRANSFORMER,POWER
9187533
2910-00-759-5345INTERCHANGEABLE
CARBURETOR,FLOAT
3120-00-776-0068INTERCHANGEABLE
BUSHING,SLEEVE
119-9
5310-00-950-9713INTERCHANGEABLE
NUT,PLAIN,KNURLED
1199
5930-00-986-3791INTERCHANGEABLE
SWITCH,ROTARY
3120-00-992-0585INTERCHANGEABLE
BEARING,SLEEVE
AA1339-2
5365-00-997-0139INTERCHANGEABLE
BUSHING
5331-01-013-3020INTERCHANGEABLE
O-RING
11319
4820-01-102-4888INTERCHANGEABLE
SEAT,VALVE
1199

Frequently Asked Questions

What is NSN 4820-00-409-1929?

NSN 4820-00-409-1929 is a Valve Assembly, manufactured by Pakon Inc Dba Impak Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-409-1929?

NSN 4820-00-409-1929 has 2 cross-referenced part numbers: 11-99 (Pakon Inc Dba Impak Division), 11-3-19 (Pakon Inc Dba Impak Division).

What NSN replaces 4820-00-409-1929?

There are 12 known substitutes for 4820-00-409-1929: 5330-00-292-1634, 3040-00-388-0944, 5360-00-535-8852 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-409-1929 still in active supply?

NSN 4820-00-409-1929 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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