PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102.5.801Valve,check

Apco/valve & Primer Corp · NSN 4820-01-463-1095 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-463-1095 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-463-1095. Primary manufacturer part number: 102.5.801.
Features
  • Valve,check — FSC 4820
  • Nominal Thickness: 0.687 INCHES ALL ENDS IN
  • Face to Face Distance: 8.500 INCHES IN
  • Flange Face Design: PLAIN ALL ENDS
  • Valve Size: 2.500 INCHES IN
  • Media for Which Designed: LIQUID SINGLE RESPONSE
  • Connection Type: FLANGE ALL ENDS
  • Nominal Outside Diameter: 7.000 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-463-1095, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Apco/valve & Primer Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-463-1095
Primary Part Number102.5.801
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerApco/valve & Primer Corp
StatusACTIVE
Nominal Thickness0.687 INCHES ALL ENDS IN
Face to Face Distance8.500 INCHES IN
Flange Face DesignPLAIN ALL ENDS
Valve Size2.500 INCHES IN
Media for Which DesignedLIQUID SINGLE RESPONSE
Connection TypeFLANGE ALL ENDS
Nominal Outside Diameter7.000 INCHES ALL ENDS IN
Style DesignatorCROSS FLANGED ENDS
Flange ShapeROUND WITH HOLES ALL ENDS
MaterialCOPPER ALLOY BODY
Bolt Hole Nominal Diameter0.750 INCHES ALL ENDS IN
Flow Control DeviceDISK
Bolt Hole Quantity4 ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1420-00-051-755261306-A2 INTERCHANGEABLE
Bellows,metal
Flexial Corp Div Flexial Corporation
5985-01-231-2097 INTERCHANGEABLE
Coupler,directional
Cross-Reference Index
Part NumberManufacturer
102.5.801 PRIMARY Apco/valve & Primer Corp (USA)
102.5.801 Emeri-Crete Inc (USA)
Related Parts
1420-00-051-7552INTERCHANGEABLE
BELLOWS,METAL
61306-A2
5985-01-231-2097INTERCHANGEABLE
COUPLER,DIRECTIONAL

Frequently Asked Questions

What is NSN 4820-01-463-1095?

NSN 4820-01-463-1095 is a Valve,check, manufactured by Apco/valve & Primer Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-463-1095?

NSN 4820-01-463-1095 has 2 cross-referenced part numbers: 102.5.801 (Apco/valve & Primer Corp), 102.5.801 (Emeri-Crete Inc).

What NSN replaces 4820-01-463-1095?

There are 2 known substitutes for 4820-01-463-1095: 1420-00-051-7552, 5985-01-231-2097. Verify interchangeability with system specifications before substitution.

What are the specifications of 102.5.801?

Key specifications for 102.5.801: Nominal Thickness: 0.687 INCHES ALL ENDS IN; Face to Face Distance: 8.500 INCHES IN; Flange Face Design: PLAIN ALL ENDS; Valve Size: 2.500 INCHES IN. 13 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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