PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11748Valve Flapper,pump

The Gorman-Rupp Company Div Gorman-Rupp · NSN 4320-00-078-2522 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-078-2522 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-078-2522. Primary manufacturer part number: 11748.
Features
  • Valve Flapper,pump — FSC 4320
  • Mounting Hole Quantity: 4
  • Material: IRON CAST AND RUBBER
  • 1 verified cross-reference
  • Primary manufacturer: The Gorman-Rupp Company Div Gorman-Rupp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Flow control in piping systems
  • Pressure regulation
General Description

The Valve Flapper,pump, cataloged under National Stock Number 4320-00-078-2522, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-078-2522
Primary Part Number11748
Item NameValve Flapper,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusACTIVE
Mounting Hole Quantity4
MaterialIRON CAST AND RUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-050-3209 INTERCHANGEABLE
Nut,self-Locking,hexagon
5365-00-187-7357117-48 INTERCHANGEABLE
Shim
Senior Operations Llc Div Senior Aerospace Ketema
5110-00-234-6549 INTERCHANGEABLE
File,hand
6130-00-407-8109 INTERCHANGEABLE
Power Supply
6625-01-131-397811748 INTERCHANGEABLE
Case,electrical-Electronic Test
Alter Harry Co the Div of T E C
5340-01-397-104911748 INTERCHANGEABLE
Cover,access
Laguna Pueblo of Dba Laguna Tribal Courts
5130-01-658-152311748 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
11748 PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
Related Parts
5310-00-050-3209INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5365-00-187-7357INTERCHANGEABLE
SHIM
117-48
5110-00-234-6549INTERCHANGEABLE
FILE,HAND
6130-00-407-8109INTERCHANGEABLE
POWER SUPPLY
6625-01-131-3978INTERCHANGEABLE
CASE,ELECTRICAL-ELECTRONIC TEST
11748
5340-01-397-1049INTERCHANGEABLE
COVER,ACCESS
11748
5130-01-658-1523INTERCHANGEABLE
DIE,CRIMPING TOOL
11748

Frequently Asked Questions

What is NSN 4320-00-078-2522?

NSN 4320-00-078-2522 is a Valve Flapper,pump, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-078-2522?

NSN 4320-00-078-2522 has 1 cross-referenced part number: 11748 (The Gorman-Rupp Company Div Gorman-Rupp).

What NSN replaces 4320-00-078-2522?

There are 7 known substitutes for 4320-00-078-2522: 5310-00-050-3209, 5365-00-187-7357, 5110-00-234-6549 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11748?

Key specifications for 11748: Mounting Hole Quantity: 4; Special Features: INCLUDES 2 BOLTS,1 PLATE,AND 1 PAD; Material: IRON CAST AND RUBBER. 3 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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