PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SW12111-05 .75INValve,gate

Flowserve Inc · NSN 4820-01-535-6536 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-535-6536 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-535-6536. Primary manufacturer part number: SW12111-05 .75IN.
Features
  • Valve,gate — FSC 4820
  • Material: STEEL SEAT
  • Pressure Class: ERR-060
  • Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Stem Type: RISING
  • Bonnet Attachment Method: BOLTED
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Nominal Pipe Size Accommodated: 1.070 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-535-6536, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-535-6536
Primary Part NumberSW12111-05 .75IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
MaterialSTEEL SEAT
Pressure ClassERR-060
Material Document and ClassificationASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
Stem TypeRISING
Bonnet Attachment MethodBOLTED
Furnished Items and Quantity1 HANDWHEEL
Nominal Pipe Size Accommodated1.070 INCHES IN
MaterialSTEEL BODY
Valve Operation MethodMANUAL
MaterialSTEEL STEM
Material Document and ClassificationASTM A479 T410 HF ASSN STD SINGLE MATERIAL RESPONSE SEAT
Connection TypeSOCKET, WELD, PIPE
Inlet Relationship with OutletIDENTICAL
MaterialSTEEL DISK
Bonnet TypeOUTSIDE SCREW-YOKE
Valve Size0.750 INCHES IN
Material Document and ClassificationASTM A479 TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE DISK
Material Document and ClassificationSATM A479 TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6120-00-985-8235404-042 INTERCHANGEABLE
Power Supply
Cmc Electronics Inc
5365-01-287-736440404-2 INTERCHANGEABLE
Spacer,sleeve
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
4820-01-478-36264040-201 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-535-685432610 INTERCHANGEABLE
Disk,valve
Flowserve Inc
4820-01-535-686032712 INTERCHANGEABLE
Stem,fluid Valve
Flowserve Inc
1005-01-606-7277 INTERCHANGEABLE
Guide,bore
Cross-Reference Index
Part NumberManufacturer
40404-2 Flowserve Inc (USA)
40404-2 ASSY SW12111-05 .75IN Flowserve Inc (USA)
SW12111-05 .75IN PRIMARY Flowserve Inc (USA)
Related Parts
6120-00-985-8235INTERCHANGEABLE
POWER SUPPLY
404-042
5365-01-287-7364INTERCHANGEABLE
SPACER,SLEEVE
40404-2
4820-01-478-3626INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4040-201
4820-01-535-6854INTERCHANGEABLE
DISK,VALVE
32610
4820-01-535-6860INTERCHANGEABLE
STEM,FLUID VALVE
32712
1005-01-606-7277INTERCHANGEABLE
GUIDE,BORE

Frequently Asked Questions

What is NSN 4820-01-535-6536?

NSN 4820-01-535-6536 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 4820-01-535-6536?

NSN 4820-01-535-6536 has 3 cross-referenced part numbers: 40404-2 (Flowserve Inc), 40404-2 ASSY SW12111-05 .75IN (Flowserve Inc), SW12111-05 .75IN (Flowserve Inc).

What NSN replaces 4820-01-535-6536?

There are 6 known substitutes for 4820-01-535-6536: 6120-00-985-8235, 5365-01-287-7364, 4820-01-478-3626 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SW12111-05 .75IN?

Key specifications for SW12111-05 .75IN: Material: STEEL SEAT; Pressure Class: ERR-060; Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY; Stem Type: RISING. 19 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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