PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51583ITEM37,38Valve,gate

Velan Valve Corp. · NSN 4820-01-536-9178 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-536-9178 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-536-9178. Primary manufacturer part number: 51583ITEM37,38.
Features
  • Valve,gate — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 8 verified cross-references
  • Primary manufacturer: Velan Valve Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-536-9178, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-536-9178
Primary Part Number51583ITEM37,38
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-085-2363 INTERCHANGEABLE
Valve,gate
4820-00-152-9654 INTERCHANGEABLE
Valve,gate
4820-00-862-5033 INTERCHANGEABLE
Valve,gate
4820-00-939-7931 INTERCHANGEABLE
Valve,gate
4820-01-046-6528 INTERCHANGEABLE
Valve,gate
4820-01-073-6726 INTERCHANGEABLE
Valve,gate
4820-01-119-9002 INTERCHANGEABLE
Valve,gate
4820-01-633-8845 INTERCHANGEABLE
Valve,gate
Cross-Reference Index
Part NumberManufacturer
51583ITEM37,38 Velan Valve Corp. (USA)
88326 Velan Valve Corp. (USA)
B16-2A5PS-2TSL1 Naval Inventory Control Point Mechanicsburg (USA)
51583ITEM37,38L1 Naval Inventory Control Point Mechanicsburg (USA)
88326L1 Naval Inventory Control Point Mechanicsburg (USA)
B16-2A5PS-2TS Velan Valve Corp. (USA)
MIL-V-18110L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-V-18110 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
4820-00-085-2363INTERCHANGEABLE
VALVE,GATE
4820-00-152-9654INTERCHANGEABLE
VALVE,GATE
4820-00-862-5033INTERCHANGEABLE
VALVE,GATE
4820-00-939-7931INTERCHANGEABLE
VALVE,GATE
4820-01-046-6528INTERCHANGEABLE
VALVE,GATE
4820-01-073-6726INTERCHANGEABLE
VALVE,GATE
4820-01-119-9002INTERCHANGEABLE
VALVE,GATE
4820-01-633-8845INTERCHANGEABLE
VALVE,GATE

Frequently Asked Questions

What is NSN 4820-01-536-9178?

NSN 4820-01-536-9178 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-536-9178?

NSN 4820-01-536-9178 has 8 cross-referenced part numbers: 51583ITEM37,38 (Velan Valve Corp.), 88326 (Velan Valve Corp.), B16-2A5PS-2TSL1 (Naval Inventory Control Point Mechanicsburg), 51583ITEM37,38L1 (Naval Inventory Control Point Mechanicsburg), 88326L1 (Naval Inventory Control Point Mechanicsburg) and 3 more.

What NSN replaces 4820-01-536-9178?

There are 8 known substitutes for 4820-01-536-9178: 4820-00-085-2363, 4820-00-152-9654, 4820-00-862-5033 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51583ITEM37,38?

Key specifications for 51583ITEM37,38: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 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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