PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38-16-177Gear,spur

Entron Industries Limited Partnership Dba Entron Industries Property Div · NSN 3020-00-781-5697 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-781-5697 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-781-5697. Primary manufacturer part number: 38-16-177.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.6250 INCHES NOMINAL IN
  • Teeth Quantity: 30
  • Style Designator: PROTRUDING HUB
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Outside Diameter: 0.667 INCHES IN
  • Hub Nominal Diameter: 0.375 INCHES FIRST END IN
  • Bore Style: PLAIN BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-781-5697, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Entron Industries Limited Partnership Dba Entron Industries Property Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-781-5697
Primary Part Number38-16-177
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEntron Industries Limited Partnership Dba Entron Industries Property Div
StatusACTIVE
Pitch Diameter0.6250 INCHES NOMINAL IN
Teeth Quantity30
Style DesignatorPROTRUDING HUB
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter0.667 INCHES IN
Hub Nominal Diameter0.375 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Face Nominal Width0.125 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Hub Style DesignatorPINNED FIRST END
Surface TreatmentPASSIVATE OVERALL
Furnished Items and Quantity1 SETSCREW
Pressure Angle20.0000 DEGREES
MaterialSTEEL COMP 303 OVERALL
Tooth FormSTANDARD
Bore Nominal Diameter0.188 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3130-00-228-6184 INTERCHANGEABLE
Bearing Assembly,pump
5950-00-448-7419GS59995 INTERCHANGEABLE
Transformer,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3030-00-777-954715530 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5977-00-860-9823ED15530-1 INTERCHANGEABLE
Brush,blank,lock
Electro-Tec Corp Dba Moog Inc., Components Group
5940-01-014-983115530 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
2540-01-063-5241 INTERCHANGEABLE
Bearing Unit,pillow Block
3030-01-314-107315530 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5120-01-335-147415530 INTERCHANGEABLE
Hammer,hand
Vaughan & Bushnell Manufacturing Company
2815-01-681-306215530 INTERCHANGEABLE
Hone,cylinder
Lisle Corp
Cross-Reference Index
Part NumberManufacturer
666138-559 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
38-16-177 PRIMARY Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
155-30 Southern Gear & Machine Inc (USA)
560-2-1237 Cae Usa Inc. (USA)
Related Parts
3130-00-228-6184INTERCHANGEABLE
BEARING ASSEMBLY,PUMP
5950-00-448-7419INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
GS59995
3030-00-777-9547INTERCHANGEABLE
BELT,V
15530
5977-00-860-9823INTERCHANGEABLE
BRUSH,BLANK,LOCK
ED15530-1
5940-01-014-9831INTERCHANGEABLE
TERMINAL,STUD
15530
2540-01-063-5241INTERCHANGEABLE
BEARING UNIT,PILLOW BLOCK
3030-01-314-1073INTERCHANGEABLE
BELT,V
15530
5120-01-335-1474INTERCHANGEABLE
HAMMER,HAND
15530
2815-01-681-3062INTERCHANGEABLE
HONE,CYLINDER
15530

Frequently Asked Questions

What is NSN 3020-00-781-5697?

NSN 3020-00-781-5697 is a Gear,spur, manufactured by Entron Industries Limited Partnership Dba Entron Industries Property Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-781-5697?

NSN 3020-00-781-5697 has 4 cross-referenced part numbers: 666138-559 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 38-16-177 (Entron Industries Limited Partnership Dba Entron Industries Property Div), 155-30 (Southern Gear & Machine Inc), 560-2-1237 (Cae Usa Inc.).

What NSN replaces 3020-00-781-5697?

There are 9 known substitutes for 3020-00-781-5697: 3130-00-228-6184, 5950-00-448-7419, 3030-00-777-9547 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38-16-177?

Key specifications for 38-16-177: Pitch Diameter: 0.6250 INCHES NOMINAL IN; Teeth Quantity: 30; Style Designator: PROTRUDING HUB; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 17 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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