PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P300Hvy Duty Hand Pump

Simplex Inc · NSN 4320-01-548-3878 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-548-3878 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-548-3878. Primary manufacturer part number: P300.
Features
  • Hvy Duty Hand Pump — FSC 4320
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 1 verified cross-reference
  • Primary manufacturer: Simplex Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Hvy Duty Hand Pump, cataloged under National Stock Number 4320-01-548-3878, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Simplex Inc. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-548-3878
Primary Part NumberP300
Item NameHvy Duty Hand Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerSimplex Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5342-00-070-7251P300 INTERCHANGEABLE
Adapter,resilient Mount
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
5935-00-149-2694261-11-10-101 INTERCHANGEABLE
Connector,receptacle,electrical
Cinch Connectivity Solutions Inc.
5915-00-223-2686A113034 INTERCHANGEABLE
Suppressor,parasitic
Raytheon Company Dba Raytheon Co
5120-00-224-1540 INTERCHANGEABLE
Pliers
6625-00-252-5549W8062A2 INTERCHANGEABLE
Ammeter
Hobart Bros Co
5410-00-267-8898P300A INTERCHANGEABLE
Instrument Shelter,meteorologica
National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems
2090-00-786-914926776-3088 INTERCHANGEABLE
Valve,capsule
Dresser-Argus, Inc Dba Dresser Argus Inc
4820-00-920-5604P300 INTERCHANGEABLE
Valve,flow Control
Circor Aerospace, Inc. Dba Circor Aerospace Inc
7025-01-131-5212P300 INTERCHANGEABLE
Printer,automatic Data Processin
Printronix, Llc
2530-01-261-801127-300 INTERCHANGEABLE
Weight,wheel Balancing
Bridge Products Inc Camel Tire Care Products Div
Cross-Reference Index
Part NumberManufacturer
P300 Simplex Inc (USA)
Related Parts
5342-00-070-7251INTERCHANGEABLE
ADAPTER,RESILIENT MOUNT
P300
5935-00-149-2694INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
261-11-10-101
5915-00-223-2686INTERCHANGEABLE
SUPPRESSOR,PARASITIC
A113034
5120-00-224-1540INTERCHANGEABLE
PLIERS
6625-00-252-5549INTERCHANGEABLE
AMMETER
W8062A2
5410-00-267-8898INTERCHANGEABLE
INSTRUMENT SHELTER,METEOROLOGICA
P300A
2090-00-786-9149INTERCHANGEABLE
VALVE,CAPSULE
26776-3088
4820-00-920-5604INTERCHANGEABLE
VALVE,FLOW CONTROL
P300
7025-01-131-5212INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
P300
2530-01-261-8011INTERCHANGEABLE
WEIGHT,WHEEL BALANCING
27-300
5895-01-518-8351INTERCHANGEABLE
MODEM,COMMUNICATIONS
P300
4235-01-583-7321INTERCHANGEABLE
PAD,ABSORBENT,HAZARDOUS MATERIAL

Frequently Asked Questions

What is NSN 4320-01-548-3878?

NSN 4320-01-548-3878 is a Hvy Duty Hand Pump, manufactured by Simplex Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-548-3878?

NSN 4320-01-548-3878 has 1 cross-referenced part number: P300 (Simplex Inc).

What NSN replaces 4320-01-548-3878?

There are 12 known substitutes for 4320-01-548-3878: 5342-00-070-7251, 5935-00-149-2694, 5915-00-223-2686 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P300?

Key specifications for P300: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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