PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

358-06Valve,gate

Flowserve Inc · NSN 4820-01-522-4957 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-522-4957 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-522-4957. Primary manufacturer part number: 358-06.
Features
  • Valve,gate — FSC 4820
  • Material Document and Classification: ASTM A182 F316 ASSN STD SINGLE MATERIAL RESPONSE DISK
  • Bonnet Attachment Method: BOLTED
  • Inlet Relationship with Outlet: IDENTICAL
  • Material: STEEL COMP 316 DISK
  • Flange Face Design: RAISED
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Features Provided: BONNET PACKING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Disk construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-522-4957, 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 22 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
NSN4820-01-522-4957
Primary Part Number358-06
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Material Document and ClassificationASTM A182 F316 ASSN STD SINGLE MATERIAL RESPONSE DISK
Bonnet Attachment MethodBOLTED
Inlet Relationship with OutletIDENTICAL
MaterialSTEEL COMP 316 DISK
Flange Face DesignRAISED
Bonnet TypeOUTSIDE SCREW-YOKE
Features ProvidedBONNET PACKING
Flange Diameter4.250 INCHES IN
Furnished Items and Quantity1 HANDWHEEL
Valve Size1.000 INCHES IN
Stem TypeNONRISING
MaterialSTEEL COMP 316 SEAT
Pressure ClassERR-060
Bolt Hole Quantity4
MaterialSTEEL COMP 316 STEM
Material Document and ClassificationASTM A182 F316 ASSN STD SINGLE MATERIAL RESPONSE STEM
Face to Face Distance5.000 INCHES IN
Valve Operation MethodMANUAL
Connection TypeFLANGE, ROUND W/HOLES
Material Document and ClassificationASTM A182 F316 ASSN STD SINGLE MATERIAL RESPONSE BODY
Material Document and ClassificationASTM A182 F316 HF ASSN STD SINGLE MATERIAL RESPONSE SEAT
MaterialSTEEL COMP 316 BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-423-145835806 INTERCHANGEABLE
Washer,slotted
New Venture Gear Inc New Process Gear Div
5120-00-776-7264 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
Cross-Reference Index
Part NumberManufacturer
358-06 PRIMARY Flowserve Inc (USA)
49448A9 ASSY 358-06 Flowserve Inc (USA)
Related Parts
5310-00-423-1458INTERCHANGEABLE
WASHER,SLOTTED
35806
5120-00-776-7264INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD

Frequently Asked Questions

What is NSN 4820-01-522-4957?

NSN 4820-01-522-4957 is a Valve,gate, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-522-4957?

NSN 4820-01-522-4957 has 2 cross-referenced part numbers: 358-06 (Flowserve Inc), 49448A9 ASSY 358-06 (Flowserve Inc).

What NSN replaces 4820-01-522-4957?

There are 2 known substitutes for 4820-01-522-4957: 5310-00-423-1458, 5120-00-776-7264. Verify interchangeability with system specifications before substitution.

What are the specifications of 358-06?

Key specifications for 358-06: Material Document and Classification: ASTM A182 F316 ASSN STD SINGLE MATERIAL RESPONSE DISK; Bonnet Attachment Method: BOLTED; Inlet Relationship with Outlet: IDENTICAL; Material: STEEL COMP 316 DISK. 22 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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