PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45906Valve Flapper,pump

Generac Mobile Products, Llc · NSN 4320-01-529-4181 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-529-4181 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-529-4181. Primary manufacturer part number: 45906.
Features
  • Valve Flapper,pump — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Generac Mobile Products, Llc
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 4320-01-529-4181, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Generac Mobile Products, Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-529-4181
Primary Part Number45906
Item NameValve Flapper,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-288-93918F8997 INTERCHANGEABLE
Inverted Nut,tube Coupling
Caterpillar Inc Div Caterpillar Defense
2530-00-737-7749 INTERCHANGEABLE
Brake Asy Front Lef
5110-00-952-911245906 INTERCHANGEABLE
Knife,twine,finger Ring
Handy Twine Knife Co
Cross-Reference Index
Part NumberManufacturer
45906 PRIMARY Generac Mobile Products, Llc (USA)
P3909 C. H. & E. Manufacturing Co. Inc Div Abs Dewatering (USA)
Related Parts
4730-00-288-9391INTERCHANGEABLE
INVERTED NUT,TUBE COUPLING
8F8997
2530-00-737-7749INTERCHANGEABLE
BRAKE ASY FRONT LEF
5110-00-952-9112INTERCHANGEABLE
KNIFE,TWINE,FINGER RING
45906

Frequently Asked Questions

What is NSN 4320-01-529-4181?

NSN 4320-01-529-4181 is a Valve Flapper,pump, manufactured by Generac Mobile Products, Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-529-4181?

NSN 4320-01-529-4181 has 2 cross-referenced part numbers: 45906 (Generac Mobile Products, Llc), P3909 (C. H. & E. Manufacturing Co. Inc Div Abs Dewatering).

What NSN replaces 4320-01-529-4181?

There are 3 known substitutes for 4320-01-529-4181: 4730-00-288-9391, 2530-00-737-7749, 5110-00-952-9112. Verify interchangeability with system specifications before substitution.

What are the specifications of 45906?

Key specifications for 45906: End Item Identification: TRUCK; Special Features: USED ON MODELS 2714 (4 INCH) AND 2715 (3 INCH) TRASH PUMPS IN; Part Name Assigned by Controlling Agency: FLAP VALVE. 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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