PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12187Valve,check

Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco · NSN 4820-01-645-0563 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-645-0563 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-645-0563. Primary manufacturer part number: 12187.
Features
  • Valve,check — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-645-0563, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersClemco Industries Corp. Dba Clemco Industries Corp Div Clemco (CAGE 0K7M2); Proliance Consulting, Llc (CAGE 7VPK3)
Technical Specifications
ParameterValue
NSN4820-01-645-0563
Primary Part Number12187
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClemco Industries Corp. Dba Clemco Industries Corp Div Clemco
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-007-0045 INTERCHANGEABLE
Transformer,power
5310-00-222-723510790 INTERCHANGEABLE
Nut,plain,hexagon
Komatsu America Corporation
4820-00-273-8488FC11579 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5925-00-279-6762SM-B-185207 INTERCHANGEABLE
Circuit Breaker
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-842-002412187 INTERCHANGEABLE
Transformer,power
Decco Inc
3040-00-862-5591 INTERCHANGEABLE
Clamp,hub
5950-01-149-2885 INTERCHANGEABLE
Coil
5310-01-281-4319 INTERCHANGEABLE
Washer,spring Tension
4140-01-500-3495109P0912H2D01 INTERCHANGEABLE
Fan,centrifugal
Ap Labs, Inc.
5340-01-559-588612187 INTERCHANGEABLE
Bracket,mounting
Bae Systems Information & Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
12187 PRIMARY Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco (USA)
12187 Proliance Consulting, Llc (USA)
Related Parts
5950-00-007-0045INTERCHANGEABLE
TRANSFORMER,POWER
5310-00-222-7235INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10790
4820-00-273-8488INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
FC11579
5925-00-279-6762INTERCHANGEABLE
CIRCUIT BREAKER
SM-B-185207
5950-00-842-0024INTERCHANGEABLE
TRANSFORMER,POWER
12187
3040-00-862-5591INTERCHANGEABLE
CLAMP,HUB
5950-01-149-2885INTERCHANGEABLE
COIL
5310-01-281-4319INTERCHANGEABLE
WASHER,SPRING TENSION
4140-01-500-3495INTERCHANGEABLE
FAN,CENTRIFUGAL
109P0912H2D01
5340-01-559-5886INTERCHANGEABLE
BRACKET,MOUNTING
12187

Frequently Asked Questions

What is NSN 4820-01-645-0563?

NSN 4820-01-645-0563 is a Valve,check, manufactured by Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-645-0563?

NSN 4820-01-645-0563 has 2 cross-referenced part numbers: 12187 (Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco), 12187 (Proliance Consulting, Llc).

What NSN replaces 4820-01-645-0563?

There are 10 known substitutes for 4820-01-645-0563: 5950-00-007-0045, 5310-00-222-7235, 4820-00-273-8488 and 7 more. Verify interchangeability with system specifications before substitution.

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