PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31261Nut,disk Valve

Flowserve Inc · NSN 5310-01-188-0661 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-188-0661 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-188-0661. Primary manufacturer part number: 31261.
Features
  • Nut,disk Valve — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Flowserve Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Flow control in piping systems
  • Pressure regulation
General Description

The Nut,disk Valve, cataloged under National Stock Number 5310-01-188-0661, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Flowserve Inc. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameNut,disk Valve
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersFlowserve Inc (CAGE 63220)
Technical Specifications
ParameterValue
NSN5310-01-188-0661
Primary Part Number31261
Item NameNut,disk Valve
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-062-05853-1261 INTERCHANGEABLE
Nut,plain,hexagon
Tactair Fluid Controls Inc Western Hydraulics Div
5330-00-684-31328-910 INTERCHANGEABLE
Retainer,packing
Pdi Ground Support Systems, Inc.
5935-00-810-39325M2113-001 INTERCHANGEABLE
Connector,receptacle,electrical
The Boeing Company Div Defense
5340-01-219-4483 INTERCHANGEABLE
Standoff,threaded,spacing
2530-01-226-1884031261 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Caterpillar Inc Div Caterpillar Defense
2915-01-581-196331261 INTERCHANGEABLE
Nozzle,fuel Injection
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
31261 PRIMARY Flowserve Inc (USA)
Related Parts
5310-00-062-0585INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3-1261
5330-00-684-3132INTERCHANGEABLE
RETAINER,PACKING
8-910
5935-00-810-3932INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5M2113-001
5340-01-219-4483INTERCHANGEABLE
STANDOFF,THREADED,SPACING
2530-01-226-1884INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
031261
2915-01-581-1963INTERCHANGEABLE
NOZZLE,FUEL INJECTION
31261

Frequently Asked Questions

What is NSN 5310-01-188-0661?

NSN 5310-01-188-0661 is a Nut,disk Valve, manufactured by Flowserve Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-188-0661?

NSN 5310-01-188-0661 has 1 cross-referenced part number: 31261 (Flowserve Inc).

What NSN replaces 5310-01-188-0661?

There are 6 known substitutes for 5310-01-188-0661: 5310-00-062-0585, 5330-00-684-3132, 5935-00-810-3932 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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