PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99114987Gear,helical

Alfa Laval Inc · NSN 3020-00-034-8272 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-034-8272 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-034-8272. Primary manufacturer part number: 99114987.
Features
  • Gear,helical — FSC 3020
  • Body Style: PLAIN, SOLID
  • Attachment Method: MOUNTING HOLE
  • Teeth Type: SINGLE HELIX
  • Tooth Form: STANDARD
  • Bore Nominal Diameter: 4.139 INCHES BOTH ENDS IN
  • Pressure Angle: 14.5000 DEGREES
  • Style Designator: HUBLESS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Nickel Alloy Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-034-8272, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-034-8272
Primary Part Number99114987
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusACTIVE
Body StylePLAIN, SOLID
Attachment MethodMOUNTING HOLE
Teeth TypeSINGLE HELIX
Tooth FormSTANDARD
Bore Nominal Diameter4.139 INCHES BOTH ENDS IN
Pressure Angle14.5000 DEGREES
Style DesignatorHUBLESS
Teeth Quantity62
Bore StylePLAIN BOTH ENDS
Pitch Diameter5.1674 INCHES NOMINAL IN
MaterialNICKEL ALLOY OVERALL
Mounting Hole Nominal Diameter0.203 INCHES AXIALLY THROUGH BODY FIRST END IN
Bolt Hole Circle Nominal Diameter4.527 INCHES AXIALLY THROUGH BODY FIRST END IN
Helix Angle48.2166 DEGREES
Face Nominal Width0.826 INCHES IN
Tooth DirectionLEFT
Nominal Outside Diameter5.2780 INCHES IN
Mounting Hole Type and Quantity6 PLAIN AXIALLY THROUGH BODY FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5320-00-262-7955NAS1498-7 INTERCHANGEABLE
Pin-Rivet
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
1660-00-395-715514987 INTERCHANGEABLE
Cover Assembly,regulator
Honeywell International, Inc Div Aerospace-Tucson
6685-00-443-3169149-87 INTERCHANGEABLE
Terminal Asy
Horizon Aerospace Llc Dba Magnetics Division
1660-00-633-259614987 INTERCHANGEABLE
Base Plate and Tubi
Mission Systems Orchard Park Inc
2910-00-699-68888331581 INTERCHANGEABLE
Link,rocker Arm
U S Army Tank Automotive Command Amsta-Im-Mm
2530-00-762-9223R230081 INTERCHANGEABLE
Tie Rod End,steering
Meritor Heavy Vehicle Systems, Llc
5330-01-186-186314987 INTERCHANGEABLE
V Cup
Hein Werner Corp
5985-01-504-251714987 INTERCHANGEABLE
Antenna Support Group
Dayton-Granger, Inc.
Cross-Reference Index
Part NumberManufacturer
14987 Alfa Laval Inc (USA)
99114987 PRIMARY Alfa Laval Inc (USA)
Related Parts
5320-00-262-7955INTERCHANGEABLE
PIN-RIVET
NAS1498-7
1660-00-395-7155INTERCHANGEABLE
COVER ASSEMBLY,REGULATOR
14987
6685-00-443-3169INTERCHANGEABLE
TERMINAL ASY
149-87
1660-00-633-2596INTERCHANGEABLE
BASE PLATE AND TUBI
14987
2910-00-699-6888INTERCHANGEABLE
LINK,ROCKER ARM
8331581
2530-00-762-9223INTERCHANGEABLE
TIE ROD END,STEERING
R230081
5330-01-186-1863INTERCHANGEABLE
V CUP
14987
5985-01-504-2517INTERCHANGEABLE
ANTENNA SUPPORT GROUP
14987

Frequently Asked Questions

What is NSN 3020-00-034-8272?

NSN 3020-00-034-8272 is a Gear,helical, manufactured by Alfa Laval Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-034-8272?

NSN 3020-00-034-8272 has 2 cross-referenced part numbers: 14987 (Alfa Laval Inc), 99114987 (Alfa Laval Inc).

What NSN replaces 3020-00-034-8272?

There are 8 known substitutes for 3020-00-034-8272: 5320-00-262-7955, 1660-00-395-7155, 6685-00-443-3169 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99114987?

Key specifications for 99114987: Body Style: PLAIN, SOLID; Attachment Method: MOUNTING HOLE; Teeth Type: SINGLE HELIX; Tooth Form: STANDARD. 18 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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