PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-33Dispensing Pump,hand Driven

Stevens Instrument Company · NSN 4930-01-261-1121 · FSC 4930 · No Item Name Available
Verified by PartsTable
NSN 4930-01-261-1121 — this item is cataloged by the U.S. Government under National Stock Number 4930-01-261-1121. Primary manufacturer part number: S-33.
Features
  • Dispensing Pump,hand Driven — FSC 4930
  • Discharge Fitting Type: HOSE-NOZZLE
  • Pump Type: PISTON
  • Design Type: CONTINUOUS FLOW
  • 3 verified cross-references
  • Primary manufacturer: Stevens Instrument Company
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Dispensing Pump,hand Driven, cataloged under National Stock Number 4930-01-261-1121, is classified within Federal Supply Class 4930 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Stevens Instrument Company. Government technical data includes 3 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4930-01-261-1121
Primary Part NumberS-33
Item NameDispensing Pump,hand Driven
FSC / FSG4930 / 49 — No Item Name Available
ManufacturerStevens Instrument Company
StatusACTIVE
Discharge Fitting TypeHOSE-NOZZLE
Pump TypePISTON
Design TypeCONTINUOUS FLOW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-125-3924S32 INTERCHANGEABLE
Ammeter
Weston Aerospace Ltd Div Weston Aerospace Ltd
8040-00-162-97048040-00-162-9704 INTERCHANGEABLE
Adhesive
General Services Administration Federal Supply Service
4320-00-226-1076DSP1696B27F501C1 INTERCHANGEABLE
Seal Assembly,pump
Defense Maritime Solutions, Inc.
4820-00-338-2999333-3 INTERCHANGEABLE
Diaphragm,valve,flat
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
2030-00-390-3894S32 INTERCHANGEABLE
Control Assy,pump
Lidgerwood Manufacturing Company Dba Lidgerwood Manufacturing Co Div Lidgerwood Manufacuring Co
5930-00-556-068511-303 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
4510-01-106-04551000DS32 INTERCHANGEABLE
Dispenser,soap
Texas Novachem Corp
6636-01-118-6576S-32-2-2 INTERCHANGEABLE
Chamber,environmental Testing
Thermotron Industries
4730-01-156-9976F101933 INTERCHANGEABLE
Reducer,tube
Tld Wollard Llc
5310-01-310-5968YMD-1828 INTERCHANGEABLE
Washer,seal
Appleton Marine Inc
Cross-Reference Index
Part NumberManufacturer
S-12 Stevens Instrument Company (USA)
S-32 Stevens Instrument Company (USA)
S-33 PRIMARY Stevens Instrument Company (USA)
Related Parts
6625-00-125-3924INTERCHANGEABLE
AMMETER
S32
8040-00-162-9704INTERCHANGEABLE
ADHESIVE
8040-00-162-9704
4320-00-226-1076INTERCHANGEABLE
SEAL ASSEMBLY,PUMP
DSP1696B27F501C1
4820-00-338-2999INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
333-3
2030-00-390-3894INTERCHANGEABLE
CONTROL ASSY,PUMP
S32
5930-00-556-0685INTERCHANGEABLE
SWITCH,SENSITIVE
11-303
4510-01-106-0455INTERCHANGEABLE
DISPENSER,SOAP
1000DS32
6636-01-118-6576INTERCHANGEABLE
CHAMBER,ENVIRONMENTAL TESTING
S-32-2-2
4730-01-156-9976INTERCHANGEABLE
REDUCER,TUBE
F101933
5310-01-310-5968INTERCHANGEABLE
WASHER,SEAL
YMD-1828
5930-01-324-2365INTERCHANGEABLE
SWITCH,TOGGLE
S32
5940-01-330-7096INTERCHANGEABLE
SPLICE,CONDUCTOR

Frequently Asked Questions

What is NSN 4930-01-261-1121?

NSN 4930-01-261-1121 is a Dispensing Pump,hand Driven, manufactured by Stevens Instrument Company, classified under FSC 4930 (No Item Name Available). Status: active.

What are the part numbers for NSN 4930-01-261-1121?

NSN 4930-01-261-1121 has 3 cross-referenced part numbers: S-12 (Stevens Instrument Company), S-32 (Stevens Instrument Company), S-33 (Stevens Instrument Company).

What NSN replaces 4930-01-261-1121?

There are 12 known substitutes for 4930-01-261-1121: 6625-00-125-3924, 8040-00-162-9704, 4320-00-226-1076 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-33?

Key specifications for S-33: Discharge Fitting Type: HOSE-NOZZLE; Pump Type: PISTON; Design Type: CONTINUOUS FLOW. 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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