PartsTable TECHNICAL DATA SHEET

NSN 3020-01-113-1881Government record, cited

Gear, Spur3020-01-113-1881

NSN 3020-01-113-1881 · NIIN 011131881 · Part number 919906

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 07524

Government record, cited

NSN 3020-01-113-1881 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-113-1881. Manufacturer of record part number: 919906.

Also searched as 3020-01-113-1881 · 3020011131881 · NIIN 011131881 · 01-113-1881 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 07524 · 919906 · E-3990 · E-3990 REVE ITEM 27

Nearby stock numbers ← 3020-01-113-1587 Gear Assembly · 3020-01-113-1908 →

Features

Gear,spur — FSC 3020
2 manufacturer part numbers on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Identification

NSN: 3020-01-113-1881
NIIN: 011131881
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 919906
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

General Description

The Gear,spur, cataloged under National Stock Number 3020-01-113-1881, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Gear,spur
FSC / FSG	3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)

Technical Specifications

Parameter	Value
NSN	3020-01-113-1881
Primary Part Number	919906
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 5

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4320-01-113-1882710840 POSSIBLE MATCH

SHAFT,TRANSMISSION,PUMP

Possible match (shared part number)Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

4320-01-113-1883220418 POSSIBLE MATCH

ROTOR AND SHAFT PUMP ASSEMBLY

Possible match (shared part number)Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

4320-01-113-1941020483 POSSIBLE MATCH

HOUSING,LIQUID PUMP

Possible match (shared part number)Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

4320-01-386-3215651406 POSSIBLE MATCH

CONNECTOR,FLUID,PUMP

Possible match (shared part number)Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

6120-01-692-10099199-06 POSSIBLE MATCH

POWER SUPPLY

Possible match (shared part number)Howell Laboratories Inc Dba Howell Laboratories Inc

Cross-Reference Index

Part Number	Manufacturer
E-3990 REVE ITEM 27	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
919906 PRIMARY	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)

Reference documents

Reference	Meaning
E-3990	D/9 Drawing number reference only Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Related Parts

4320-01-113-1882POSSIBLE MATCH

SHAFT,TRANSMISSION,PUMP

710840

4320-01-113-1883POSSIBLE MATCH

ROTOR AND SHAFT PUMP ASSEMBLY

220418

4320-01-113-1941POSSIBLE MATCH

HOUSING,LIQUID PUMP

020483

4320-01-386-3215POSSIBLE MATCH

CONNECTOR,FLUID,PUMP

651406

6120-01-692-1009POSSIBLE MATCH

POWER SUPPLY

9199-06

Frequently Asked Questions

What is NSN 3020-01-113-1881?

NSN 3020-01-113-1881 is a Gear,spur, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-113-1881?

NSN 3020-01-113-1881 has 2 manufacturer part numbers on file: E-3990 REVE ITEM 27 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 919906 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 3020-01-113-1881?

5 possible matches (shared part number, not a government interchangeability claim): 4320-01-113-1882, 4320-01-113-1883, 4320-01-113-1941. Verify interchangeability with system specifications before substitution.

Is NSN 3020-01-113-1881 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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