PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P-4634Valve,regulating,fluid Pressure

Altec Air, Llc Dba Altec Llc · NSN 4820-01-183-0629 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-183-0629 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-183-0629. Primary manufacturer part number: P-4634.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: COPPER ALLOY BODY
  • Media for Which Designed: AIR
  • 2 verified cross-references
  • Primary manufacturer: Altec Air, Llc Dba Altec Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-183-0629, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Altec Air, Llc Dba Altec Llc. Government technical data includes 2 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-183-0629
Primary Part NumberP-4634
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAltec Air, Llc Dba Altec Llc
StatusCANCELLED
MaterialCOPPER ALLOY BODY
Media for Which DesignedAIR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-469-13064634 INTERCHANGEABLE
Washer,flat
Eaton Aerospace, Llc Dba Jackson South
5310-00-496-48884634 INTERCHANGEABLE
Nut,plain,hexagon
Terex Usa, Llc Dba Terex Equipment Services
5935-00-723-39501-644751-0 INTERCHANGEABLE
Connector,receptacle,electrical
Te Connectivity Corporation
6150-00-814-92914634 INTERCHANGEABLE
Cable Assembly,power,electrical
Electro Scientific Industries Inc
5960-01-020-1667254305 INTERCHANGEABLE
Electron Tube
Raytheon Company Dba Raytheon
5935-01-194-13234634 INTERCHANGEABLE
Connector Assembly,electrical
Oneil & Associates Inc
4820-01-252-067470652-22801-101 INTERCHANGEABLE
Valve,check
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5905-01-261-3639 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5120-01-335-8162 INTERCHANGEABLE
Socket,socket Wrench
5340-01-362-26424634 INTERCHANGEABLE
Bolt Assembly,clamp
Mag Aerospace Industries, Llc Div Safran Cabins
Cross-Reference Index
Part NumberManufacturer
P-4634 PRIMARY Altec Air, Llc Dba Altec Llc (USA)
4634 PRIMARY Altec Air, Llc Dba Altec Llc (USA)
Related Parts
5310-00-469-1306INTERCHANGEABLE
WASHER,FLAT
4634
5310-00-496-4888INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4634
5935-00-723-3950INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1-644751-0
6150-00-814-9291INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
4634
5960-01-020-1667INTERCHANGEABLE
ELECTRON TUBE
254305
5935-01-194-1323INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
4634
4820-01-252-0674INTERCHANGEABLE
VALVE,CHECK
70652-22801-101
5905-01-261-3639INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5120-01-335-8162INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5340-01-362-2642INTERCHANGEABLE
BOLT ASSEMBLY,CLAMP
4634
4820-01-371-5726INTERCHANGEABLE
COCK,DRAIN
2990-01-449-1755INTERCHANGEABLE
LEVER ASSEMBLY,POWER-SPEED CONTR
3341002007

Frequently Asked Questions

What is NSN 4820-01-183-0629?

NSN 4820-01-183-0629 is a Valve,regulating,fluid Pressure, manufactured by Altec Air, Llc Dba Altec Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-183-0629?

NSN 4820-01-183-0629 has 2 cross-referenced part numbers: P-4634 (Altec Air, Llc Dba Altec Llc), 4634 (Altec Air, Llc Dba Altec Llc).

What NSN replaces 4820-01-183-0629?

There are 12 known substitutes for 4820-01-183-0629: 5310-00-469-1306, 5310-00-496-4888, 5935-00-723-3950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P-4634?

Key specifications for P-4634: Material: COPPER ALLOY BODY; Media for Which Designed: AIR. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-183-0629 still in active supply?

NSN 4820-01-183-0629 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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