PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6651Cap,valve

Imi Cash Valve Inc · NSN 4820-01-151-3925 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-151-3925 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-151-3925. Primary manufacturer part number: 6651.
Features
  • Cap,valve — FSC 4820
  • Height: 1.580 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 2 verified cross-references
  • Primary manufacturer: Imi Cash Valve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-151-3925, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Imi Cash Valve Inc. 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-151-3925
Primary Part Number6651
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerImi Cash Valve Inc
StatusACTIVE
Height1.580 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5133-00-084-434841-11048 INTERCHANGEABLE
Drill,twist
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5970-00-224-5227 INTERCHANGEABLE
Insulator,knob
4720-00-319-1229 INTERCHANGEABLE
Hose Assembly,nonmetallic
4820-00-758-7156665-1 INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
3110-00-885-98724357 INTERCHANGEABLE
Bearing,roller,tapered
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5940-00-937-821812752B-4 INTERCHANGEABLE
Terminal,stud
Staffall, Inc. Dba Staffall Inc
6530-01-133-41826051 INTERCHANGEABLE
Drape,surgical
Solventum Us Llc
6685-01-135-43576651 INTERCHANGEABLE
Thermocouple,contact
Unison Industries Llc
6530-01-199-19897000042934 INTERCHANGEABLE
Drape,surgical
Solventum Us Llc
8415-01-667-56066651 INTERCHANGEABLE
Glove,shooter's
Hatch Corp Ltd
Cross-Reference Index
Part NumberManufacturer
10085PC1 Imi Cash Valve Inc (USA)
6651 PRIMARY Imi Cash Valve Inc (USA)
Related Parts
5133-00-084-4348INTERCHANGEABLE
DRILL,TWIST
41-11048
5970-00-224-5227INTERCHANGEABLE
INSULATOR,KNOB
4720-00-319-1229INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4820-00-758-7156INTERCHANGEABLE
VALVE,CHECK
665-1
3110-00-885-9872INTERCHANGEABLE
BEARING,ROLLER,TAPERED
4357
5940-00-937-8218INTERCHANGEABLE
TERMINAL,STUD
12752B-4
6530-01-133-4182INTERCHANGEABLE
DRAPE,SURGICAL
6051
6685-01-135-4357INTERCHANGEABLE
THERMOCOUPLE,CONTACT
6651
6530-01-199-1989INTERCHANGEABLE
DRAPE,SURGICAL
7000042934
8415-01-667-5606INTERCHANGEABLE
GLOVE,SHOOTER'S
6651
5340-01-707-1814INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
6651

Frequently Asked Questions

What is NSN 4820-01-151-3925?

NSN 4820-01-151-3925 is a Cap,valve, manufactured by Imi Cash Valve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-151-3925?

NSN 4820-01-151-3925 has 2 cross-referenced part numbers: 10085PC1 (Imi Cash Valve Inc), 6651 (Imi Cash Valve Inc).

What NSN replaces 4820-01-151-3925?

There are 11 known substitutes for 4820-01-151-3925: 5133-00-084-4348, 5970-00-224-5227, 4720-00-319-1229 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6651?

Key specifications for 6651: Height: 1.580 INCHES NOMINAL IN; Material: COPPER ALLOY. 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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