PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SWS701Valve,check

Flowserve Inc · NSN 4820-01-153-2714 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-153-2714 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-153-2714. Primary manufacturer part number: SWS701.
Features
  • Valve,check — FSC 4820
  • Material: STEEL CORROSION RESISTING BODY
  • Style Designator: STRAIGHT THRU
  • Mounting Position: HORIZONTAL
  • Connection Style: SOCKET (PIPE) ALL ENDS
  • Flow Control Device: DISK
  • Valve Operation Method: MANUAL
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-153-2714, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-153-2714
Primary Part NumberSWS701
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING BODY
Style DesignatorSTRAIGHT THRU
Mounting PositionHORIZONTAL
Connection StyleSOCKET (PIPE) ALL ENDS
Flow Control DeviceDISK
Valve Operation MethodMANUAL
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Nominal Pipe Size Accommodated0.500 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-274-3634250SIZE1-2 INTERCHANGEABLE
Cock,plug
Crane Co Div Valve Div
Cross-Reference Index
Part NumberManufacturer
4374 1/2IN Walworth-Aloyco (USA)
4374 1/2 IN Hunt Valve Company, Inc. (USA)
SWS701 PRIMARY Flowserve Inc (USA)
4374 1-2IN Walworth-Aloyco (USA)
Related Parts
4820-00-274-3634INTERCHANGEABLE
COCK,PLUG
250SIZE1-2

Frequently Asked Questions

What is NSN 4820-01-153-2714?

NSN 4820-01-153-2714 is a Valve,check, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-153-2714?

NSN 4820-01-153-2714 has 4 cross-referenced part numbers: 4374 1/2IN (Walworth-Aloyco), 4374 1/2 IN (Hunt Valve Company, Inc.), SWS701 (Flowserve Inc), 4374 1-2IN (Walworth-Aloyco).

What NSN replaces 4820-01-153-2714?

There is 1 known substitute for 4820-01-153-2714: 4820-00-274-3634. Verify interchangeability with system specifications before substitution.

What are the specifications of SWS701?

Key specifications for SWS701: Material: STEEL CORROSION RESISTING BODY; Style Designator: STRAIGHT THRU; Mounting Position: HORIZONTAL; Connection Style: SOCKET (PIPE) ALL ENDS. 8 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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