NSN 3020-01-045-2627 · NIIN 010452627 · Part number A3-300
C E Niehoff & Co · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 76761
Government record, cited
NSN 3020-01-045-2627 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-045-2627. Manufacturer of record part number: A3-300.
Also searched as3020-01-045-2627 ·
3020010452627 ·
NIIN 010452627 ·
01-045-2627 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 76761 · A3-300
Standard V-Belt Section Designation for Which Designed: A AND B
Outside Diameter: 2.750 INCHES NOMINAL IN
Keying Facility Type: KEYWAY
Bore Type: STRAIGHT
Groove Quantity: 1
Identification
NSN: 3020-01-045-2627
NIIN: 010452627
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: A3-300
Manufacturer: C E Niehoff & Co
General Description
The Pulley,groove, cataloged under National Stock Number 3020-01-045-2627, 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 C E Niehoff & Co. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-01-045-2627
Primary Part Number
A3-300
Item Name
Pulley,groove
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
C E Niehoff & Co
Status
ACTIVE
Bore Feature
INCLUDED
Groove Shape
V
Standard V-Belt Section Designation for Which Designed
A AND B
Outside Diameter
2.750 INCHES NOMINAL IN
Keying Facility Type
KEYWAY
Bore Type
STRAIGHT
Groove Quantity
1
Bore Diameter
0.625 INCHES NOMINAL IN
Furnished Items
KEYING FACILITY
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-134-1928A-3300POSSIBLE MATCH
GASKET
Possible match (shared part number)Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
3020-01-162-2689A3300POSSIBLE MATCH
GEAR SET,BEVEL,MATCHED
Possible match (shared part number)Lockheed Martin Corporation Div Rms
9520-01-329-4392A 3300POSSIBLE MATCH
CHANNEL,STRUCTURAL
Possible match (shared part number)Unistrut Western
6515-01-368-7818A-3300POSSIBLE MATCH
NEEDLE ASSEMBLY,PIERCING,HYPODER
Possible match (shared part number)Med-E-Jet D Dba Donald J Kuch Ceo
9520-01-626-0072A3300POSSIBLE MATCH
CHANNEL,STRUCTURAL
Possible match (shared part number)Unistrut International Corporation Dba Unistrut Diversified Products
NSN 3020-01-045-2627 is a Pulley,groove, manufactured by C E Niehoff & Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-045-2627?
NSN 3020-01-045-2627 has 1 manufacturer part number on file: A3-300 (C E Niehoff & Co).
What NSN replaces 3020-01-045-2627?
5 possible matches (shared part number, not a government interchangeability claim): 5330-01-134-1928, 3020-01-162-2689, 9520-01-329-4392. Verify interchangeability with system specifications before substitution.
What are the specifications of A3-300?
Key specifications for A3-300: Bore Feature: INCLUDED; Groove Shape: V; Standard V-Belt Section Designation for Which Designed: A AND B; Outside Diameter: 2.750 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-045-2627 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.