PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-7019Barrel,pump,valve

Chapin R E Mfg Works Inc · NSN 4920-01-019-9943 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-019-9943 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-019-9943. Primary manufacturer part number: 3-7019.
Features
  • Barrel,pump,valve — FSC 4920
  • 2 verified cross-references
  • Primary manufacturer: Chapin R E Mfg Works Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Flow control in piping systems
  • Pressure regulation
General Description

The Barrel,pump,valve, cataloged under National Stock Number 4920-01-019-9943, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Chapin R E Mfg Works Inc. This item has 2 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
NSN4920-01-019-9943
Primary Part Number3-7019
Item NameBarrel,pump,valve
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerChapin R E Mfg Works Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-006-817221125 INTERCHANGEABLE
Nut,plain,hexagon
Industrial Technologies and Services Llc
6640-00-096-7489 INTERCHANGEABLE
Pipet,measuring
6640-00-290-6890 INTERCHANGEABLE
Pipet,measuring
6640-00-290-6891 INTERCHANGEABLE
Pipet,measuring
6640-00-290-6896 INTERCHANGEABLE
Pipet,measuring
5310-01-212-601321125 INTERCHANGEABLE
Nut Check
Parker Hannifin Corporation Div Hydraulic Systems Division
5970-01-234-4851 INTERCHANGEABLE
Insulation Sleeving,electrical
4320-01-408-7254D-5081-65-2482 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Buffaloes Fire Pump Inc. Dba R B Pump Co
4810-01-414-806021125-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-415-385121125-1003-1 INTERCHANGEABLE
Alignment,rod
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
3-7019 PRIMARY Chapin R E Mfg Works Inc (USA)
2112-5 Chapin R E Mfg Works Inc (USA)
Related Parts
5310-00-006-8172INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21125
6640-00-096-7489INTERCHANGEABLE
PIPET,MEASURING
6640-00-290-6890INTERCHANGEABLE
PIPET,MEASURING
6640-00-290-6891INTERCHANGEABLE
PIPET,MEASURING
6640-00-290-6896INTERCHANGEABLE
PIPET,MEASURING
5310-01-212-6013INTERCHANGEABLE
NUT CHECK
21125
5970-01-234-4851INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
4320-01-408-7254INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
D-5081-65-2482
4810-01-414-8060INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21125-002
4820-01-415-3851INTERCHANGEABLE
ALIGNMENT,ROD
21125-1003-1
4810-01-415-7352INTERCHANGEABLE
PLUNGER,ACTUATOR
21125-1001-1
5305-01-416-7164INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
CC71448-001

Frequently Asked Questions

What is NSN 4920-01-019-9943?

NSN 4920-01-019-9943 is a Barrel,pump,valve, manufactured by Chapin R E Mfg Works Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-019-9943?

NSN 4920-01-019-9943 has 2 cross-referenced part numbers: 3-7019 (Chapin R E Mfg Works Inc), 2112-5 (Chapin R E Mfg Works Inc).

What NSN replaces 4920-01-019-9943?

There are 12 known substitutes for 4920-01-019-9943: 5310-00-006-8172, 6640-00-096-7489, 6640-00-290-6890 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-7019?

Key specifications for 3-7019: End Item Identification: 4920000099403. 1 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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