PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1284Gearshaft,spur

Gsl Manufacturing Co. · NSN 3040-00-909-6786 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-909-6786 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-909-6786. Primary manufacturer part number: 1284.
Features
  • Gearshaft,spur — FSC 3040
  • Gear Outside Diameter: 0.555 INCHES NOMINAL IN
  • Pressure Angle: 20.0000 DEGREES
  • Shaft End Type: SPLINED STRAIGHT
  • Shaft End Size: 0.400 INCHES IN
  • Diametral Pitch: 32
  • Face Width: 0.079 INCHES NOMINAL IN
  • Teeth Quantity: 15
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearshaft,spur, cataloged under National Stock Number 3040-00-909-6786, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Gsl Manufacturing Co.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN3040-00-909-6786
Primary Part Number1284
Item NameGearshaft,spur
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerGsl Manufacturing Co.
StatusACTIVE
Gear Outside Diameter0.555 INCHES NOMINAL IN
Pressure Angle20.0000 DEGREES
Shaft End TypeSPLINED STRAIGHT
Shaft End Size0.400 INCHES IN
Diametral Pitch32
Face Width0.079 INCHES NOMINAL IN
Teeth Quantity15
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-027-24971284 INTERCHANGEABLE
Reactor
Comspace Corp Munston Electronics Div
5365-00-056-2415 INTERCHANGEABLE
Spacer,ring
6610-00-224-42521284 INTERCHANGEABLE
Vibrator,altimeter
Centroid, Inc. Dba Centroid Inc
2990-00-432-133321803 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
1650-00-513-4808 INTERCHANGEABLE
Screw,actuating Cyl
3110-00-554-3247059-1 INTERCHANGEABLE
Bearing,ball,annular
Jay Electric Co
5950-00-645-8960 INTERCHANGEABLE
Transformer,power
5930-00-772-0598 INTERCHANGEABLE
Switch,rotary
6625-00-845-8998 INTERCHANGEABLE
Voltmeter
1650-00-937-26141284 INTERCHANGEABLE
Housing,hydralic Se
Hawker Pacific Aerospace
Cross-Reference Index
Part NumberManufacturer
1284 PRIMARY Gsl Manufacturing Co. (USA)
1284 Overton Chicago Gear Corporation (USA)
1284 Star Tool and Engineering Co Inc (USA)
Related Parts
5950-00-027-2497INTERCHANGEABLE
REACTOR
1284
5365-00-056-2415INTERCHANGEABLE
SPACER,RING
6610-00-224-4252INTERCHANGEABLE
VIBRATOR,ALTIMETER
1284
2990-00-432-1333INTERCHANGEABLE
MUFFLER,EXHAUST
21803
1650-00-513-4808INTERCHANGEABLE
SCREW,ACTUATING CYL
3110-00-554-3247INTERCHANGEABLE
BEARING,BALL,ANNULAR
059-1
5950-00-645-8960INTERCHANGEABLE
TRANSFORMER,POWER
5930-00-772-0598INTERCHANGEABLE
SWITCH,ROTARY
6625-00-845-8998INTERCHANGEABLE
VOLTMETER
1650-00-937-2614INTERCHANGEABLE
HOUSING,HYDRALIC SE
1284
5935-00-977-9513INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2432
5915-00-988-4814INTERCHANGEABLE
FILTER,BAND PASS

Frequently Asked Questions

What is NSN 3040-00-909-6786?

NSN 3040-00-909-6786 is a Gearshaft,spur, manufactured by Gsl Manufacturing Co., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-909-6786?

NSN 3040-00-909-6786 has 3 cross-referenced part numbers: 1284 (Gsl Manufacturing Co.), 1284 (Overton Chicago Gear Corporation), 1284 (Star Tool and Engineering Co Inc).

What NSN replaces 3040-00-909-6786?

There are 12 known substitutes for 3040-00-909-6786: 5950-00-027-2497, 5365-00-056-2415, 6610-00-224-4252 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1284?

Key specifications for 1284: Overall Length: 1.635 INCHES NOMINAL IN; Gear Outside Diameter: 0.555 INCHES NOMINAL IN; Pressure Angle: 20.0000 DEGREES; Shaft End Type: SPLINED STRAIGHT. 8 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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