PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SW-701-04Valve,check

Flowserve Inc · NSN 4820-01-465-0397 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-465-0397 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-465-0397. Primary manufacturer part number: SW-701-04.
Features
  • Valve,check — FSC 4820
  • Mounting Position: HORIZONTAL
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Valve Operation Method: AUTOMATIC
  • Offset Distance: 1.000 INCHES IN
  • Style Designator: OFFSET
  • Material: STEEL BODY
  • Connection Style: SOCKET (PIPE) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-465-0397, 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 2 commercial cross-references from 1 manufacturer, 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
NSN4820-01-465-0397
Primary Part NumberSW-701-04
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Mounting PositionHORIZONTAL
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Valve Operation MethodAUTOMATIC
Offset Distance1.000 INCHES IN
Style DesignatorOFFSET
MaterialSTEEL BODY
Connection StyleSOCKET (PIPE) ALL ENDS
Nominal Pipe Size Accommodated0.500 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-465-090430155 INTERCHANGEABLE
Cap,valve
Flowserve Inc
4820-01-465-102632343 INTERCHANGEABLE
Disk,valve
Flowserve Inc
Cross-Reference Index
Part NumberManufacturer
SW-701-04 PRIMARY Flowserve Inc (USA)
B45268-2, R 13 Flowserve Inc (USA)
Related Parts
4820-01-465-0904INTERCHANGEABLE
CAP,VALVE
30155
4820-01-465-1026INTERCHANGEABLE
DISK,VALVE
32343

Frequently Asked Questions

What is NSN 4820-01-465-0397?

NSN 4820-01-465-0397 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 4820-01-465-0397?

NSN 4820-01-465-0397 has 2 cross-referenced part numbers: SW-701-04 (Flowserve Inc), B45268-2, R 13 (Flowserve Inc).

What NSN replaces 4820-01-465-0397?

There are 2 known substitutes for 4820-01-465-0397: 4820-01-465-0904, 4820-01-465-1026. Verify interchangeability with system specifications before substitution.

What are the specifications of SW-701-04?

Key specifications for SW-701-04: Mounting Position: HORIZONTAL; Special Features: NHA CHECK VALVE; End Item Identification: W/S CODE STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 10 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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