PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12558Assembly Valve

DP Manufacturing Inc. · NSN 4820-01-366-6263 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-366-6263 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-366-6263. Primary manufacturer part number: 12558.
Features
  • Assembly Valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: DP Manufacturing Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Assembly Valve, cataloged under National Stock Number 4820-01-366-6263, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is DP Manufacturing Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAssembly Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDP Manufacturing Inc. (CAGE 0EJ14)
Technical Specifications
ParameterValue
NSN4820-01-366-6263
Primary Part Number12558
Item NameAssembly Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDP Manufacturing Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-410-344512558-0000 INTERCHANGEABLE
Gasket
Paxton Co
5310-00-595-637512558 INTERCHANGEABLE
Washer,flat
Triumph Engine Control Systems Llc
5340-00-838-9402NAS1282B10 INTERCHANGEABLE
Snap Hook
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2915-00-896-730112558 INTERCHANGEABLE
Air Cap
Collins Engine Nozzles, Inc
7310-01-290-5144 INTERCHANGEABLE
Speed Control,toaster
4820-01-501-6997 INTERCHANGEABLE
Valve,expansion
Cross-Reference Index
Part NumberManufacturer
12558 PRIMARY DP Manufacturing Inc. (USA)
Related Parts
5330-00-410-3445INTERCHANGEABLE
GASKET
12558-0000
5310-00-595-6375INTERCHANGEABLE
WASHER,FLAT
12558
5340-00-838-9402INTERCHANGEABLE
SNAP HOOK
NAS1282B10
2915-00-896-7301INTERCHANGEABLE
AIR CAP
12558
7310-01-290-5144INTERCHANGEABLE
SPEED CONTROL,TOASTER
4820-01-501-6997INTERCHANGEABLE
VALVE,EXPANSION

Frequently Asked Questions

What is NSN 4820-01-366-6263?

NSN 4820-01-366-6263 is a Assembly Valve, manufactured by DP Manufacturing Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-366-6263?

NSN 4820-01-366-6263 has 1 cross-referenced part number: 12558 (DP Manufacturing Inc.).

What NSN replaces 4820-01-366-6263?

There are 6 known substitutes for 4820-01-366-6263: 5330-00-410-3445, 5310-00-595-6375, 5340-00-838-9402 and 3 more. Verify interchangeability with system specifications before substitution.

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