PartsTable TECHNICAL DATA SHEET
NSN 3020-00-449-0495Government record, cited

Gear, Spur3020-00-449-0495

NSN 3020-00-449-0495 · NIIN 004490495 · Part number 100016-157
Lockheed Martin Corporation · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 29732
Government record, cited
NSN 3020-00-449-0495 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-449-0495. Manufacturer of record part number: 100016-157.
Also searched as  3020-00-449-0495 · 3020004490495 · NIIN 004490495 · 00-449-0495 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 29732 · 100016-157 · 100015
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN
  • Teeth Quantity: 72
  • Body Style: PLAIN, SOLID
  • Bore Style: PLAIN BOTH ENDS
  • Mounting Hole Type and Quantity: 4 PLAIN AXIALLY THROUGH BODY FIRST END
  • Mounting Hole Nominal Diameter: 0.177 INCHES AXIALLY THROUGH BODY FIRST END IN
  • Style Designator: HUBLESS
Identification
  • NSN: 3020-00-449-0495
  • NIIN: 004490495
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 100016-157
  • Manufacturer: Lockheed Martin Corporation
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-449-0495, 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 Lockheed Martin Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-449-0495
Primary Part Number100016-157
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerLockheed Martin Corporation
StatusACTIVE
Bore Nominal Diameter0.500 INCHES BOTH ENDS IN
Teeth Quantity72
Body StylePLAIN, SOLID
Bore StylePLAIN BOTH ENDS
Mounting Hole Type and Quantity4 PLAIN AXIALLY THROUGH BODY FIRST END
Mounting Hole Nominal Diameter0.177 INCHES AXIALLY THROUGH BODY FIRST END IN
Style DesignatorHUBLESS
Material Document and ClassificationMIL-P-15035,TYPE FBI MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter1.5000 INCHES NOMINAL IN
Tooth FormSTANDARD
Nominal Outside Diameter1.542 INCHES IN
Pressure Angle20.0000 DEGREES
MaterialPLASTIC PHENOLIC OVERALL
Bolt Hole Circle Nominal Diameter1.000 INCHES AXIALLY THROUGH BODY FIRST END IN
Attachment MethodMOUNTING HOLE
Face Nominal Width0.550 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
100016-157 PRIMARY Lockheed Martin Corporation (USA)
100015 Lockheed Martin Corporation (USA)
No interchangeability data on file.
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-001-2090
3020-00-001-2090 · Item name not on file
3020-00-001-4468
3020-00-001-4468 · Item name not on file
3020-00-007-2779
GEAR,ANTIBACKLASH,SPUR
3020-00-009-4033
GEAR,SPUR
3020-00-031-2269
3020-00-031-2269 · Item name not on file
3020-00-146-4181
GEAR,IDLER
3020-00-146-4222
GEAR,IDLER
3020-00-425-7115
GEAR,HELICAL

Frequently Asked Questions

What is NSN 3020-00-449-0495?

NSN 3020-00-449-0495 is a Gear,spur, manufactured by Lockheed Martin Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-449-0495?

NSN 3020-00-449-0495 has 2 manufacturer part numbers on file: 100016-157 (Lockheed Martin Corporation), 100015 (Lockheed Martin Corporation).

What are the specifications of 100016-157?

Key specifications for 100016-157: Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN; Teeth Quantity: 72; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 16 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-449-0495 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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