PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W05-2084B-02TS 33311-30Valve,stop-Check

Velan Valve Corp. · NSN 4820-00-752-9526 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-752-9526 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-752-9526. Primary manufacturer part number: W05-2084B-02TS 33311-30.
Features
  • Valve,stop-Check — FSC 4820
  • Connection Style: SOCKET (PIPE) ALL ENDS
  • Material Document and Classification: MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
  • Nondefinitive Spec/std Data: D COMPOSITION
  • Style Designator: STRAIGHT THRU
  • Material Document and Classification: ASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Material: STEEL BODY
  • Media for Which Designed: STEAM SINGLE RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-00-752-9526, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-752-9526
Primary Part NumberW05-2084B-02TS 33311-30
Item NameValve,stop-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Connection StyleSOCKET (PIPE) ALL ENDS
Material Document and ClassificationMIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
Nondefinitive Spec/std DataD COMPOSITION
Style DesignatorSTRAIGHT THRU
Material Document and ClassificationASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialSTEEL BODY
Media for Which DesignedSTEAM SINGLE RESPONSE
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Bonnet Attachment MethodBOLTED
MaterialSTEEL FLOW CONTROL DEVICE
Flow Control DeviceDISK
Valve Operation MethodMANUAL
Features ProvidedBONNET PACKING
Maximum Operating Temp775.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Pipe Size Accommodated1.000 INCHES ALL ENDS IN
MaterialSTEEL SEAT
Mounting PositionHORIZONTAL OR VERTICAL
Bonnet TypeOUTSIDE SCREW-YOKE
MaterialSTEEL COMP 416 STEM
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Material Document and ClassificationMIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-027-67598198758 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
5950-00-232-37955-1261 INTERCHANGEABLE
Transformer,power Autotransforme
Superior Electric Holding Group Llc Div Specialty Product Technologies
5305-01-197-6574 INTERCHANGEABLE
Screw,machine
2590-01-670-07505126-1 INTERCHANGEABLE
Pad,cushioning
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
W05-2084B-02TS 33311-30 PRIMARY Velan Valve Corp. (USA)
S-807-17 PRIMARY Sfc Valve Corporation (USA)
B622-0-B1CID882039090 PRIMARY Hunt Valve Company, Inc. (USA)
807-1800 ASSEMBLY S-807-17 Sfc Valve Corporation (USA)
51261 Velan Valve Corp. (USA)
80661-00 PART 80661-00 1IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
MIL-V-22094 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S-807-17 DWG 807-1800 Sfc Valve Corporation (USA)
DC-20113-/IN/DC-2113/882039559 Conbraco Industries Inc R-P and C Valve Div (USA)
80661-00 1.00IN PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
5935-00-027-6759INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8198758
5950-00-232-3795INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5-1261
5305-01-197-6574INTERCHANGEABLE
SCREW,MACHINE
2590-01-670-0750INTERCHANGEABLE
PAD,CUSHIONING
5126-1

Frequently Asked Questions

What is NSN 4820-00-752-9526?

NSN 4820-00-752-9526 is a Valve,stop-Check, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-752-9526?

NSN 4820-00-752-9526 has 10 cross-referenced part numbers: W05-2084B-02TS 33311-30 (Velan Valve Corp.), S-807-17 (Sfc Valve Corporation), B622-0-B1CID882039090 (Hunt Valve Company, Inc.), 807-1800 ASSEMBLY S-807-17 (Sfc Valve Corporation), 51261 (Velan Valve Corp.) and 5 more.

What NSN replaces 4820-00-752-9526?

There are 4 known substitutes for 4820-00-752-9526: 5935-00-027-6759, 5950-00-232-3795, 5305-01-197-6574 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W05-2084B-02TS 33311-30?

Key specifications for W05-2084B-02TS 33311-30: Connection Style: SOCKET (PIPE) ALL ENDS; Material Document and Classification: MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT; Nondefinitive Spec/std Data: D COMPOSITION; Style Designator: STRAIGHT THRU. 21 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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