PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R44S32Gear,spur

Designatronics Inc Perfect Gear and Instrument Div · NSN 3020-00-862-6738 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-862-6738 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-862-6738. Primary manufacturer part number: R44S32.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Face Nominal Width: 0.125 INCHES IN
  • Surface Treatment: PASSIVATE OVERALL
  • Tooth Form: STANDARD
  • Pressure Angle: 20.0000 DEGREES
  • Bore Style: PLAIN BOTH ENDS
  • Material Document and Classification: MIL-S-7720,COMP 303SE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303SE Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-862-6738, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Inc Perfect Gear and Instrument Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-862-6738
Primary Part NumberR44S32
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDesignatronics Inc Perfect Gear and Instrument Div
StatusACTIVE
Body StylePLAIN, SOLID
Face Nominal Width0.125 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Bore StylePLAIN BOTH ENDS
Material Document and ClassificationMIL-S-7720,COMP 303SE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Hub Style DesignatorSPLIT FIRST END
Style DesignatorPROTRUDING HUB
Hub Nominal Diameter0.188 INCHES FIRST END IN
Nominal Overall Length0.406 INCHES IN
Nominal Outside Diameter0.353 INCHES IN
Clamping Surface Nominal Length0.250 INCHES FIRST END IN
MaterialSTEEL COMP 303SE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.281 INCHES FIRST END IN
Attachment MethodCLAMP
Teeth Quantity32
Pitch Diameter0.3323 INCHES MINIMUM AND 0.3333 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4330-00-005-7168M2532 INTERCHANGEABLE
Filter,fluid
Marvel Engineering Company Inc
5950-00-645-86853281424PC56 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
5910-01-310-8533KKSF37U205QPI INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Cornell-Dubilier Electronics, Inc.
6505-01-312-0375 INTERCHANGEABLE
Heparin Lock Flush Solution
Cross-Reference Index
Part NumberManufacturer
C96S7-32 W. M. Berg, Inc. (USA)
R44S32 PRIMARY Designatronics Inc Perfect Gear and Instrument Div (USA)
H7-32 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
531199-1032 Raytheon Company Dba Raytheon (USA)
M25-32 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
4330-00-005-7168INTERCHANGEABLE
FILTER,FLUID
M2532
5950-00-645-8685INTERCHANGEABLE
TRANSFORMER,POWER
3281424PC56
5910-01-310-8533INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
KKSF37U205QPI
6505-01-312-0375INTERCHANGEABLE
HEPARIN LOCK FLUSH SOLUTION

Frequently Asked Questions

What is NSN 3020-00-862-6738?

NSN 3020-00-862-6738 is a Gear,spur, manufactured by Designatronics Inc Perfect Gear and Instrument Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-862-6738?

NSN 3020-00-862-6738 has 5 cross-referenced part numbers: C96S7-32 (W. M. Berg, Inc.), R44S32 (Designatronics Inc Perfect Gear and Instrument Div), H7-32 (Roller Bearing Co of America, Inc Div Pic Design), 531199-1032 (Raytheon Company Dba Raytheon), M25-32 (Designatronics Incorporated Div Sterling Instruments Div).

What NSN replaces 3020-00-862-6738?

There are 4 known substitutes for 3020-00-862-6738: 4330-00-005-7168, 5950-00-645-8685, 5910-01-310-8533 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R44S32?

Key specifications for R44S32: Body Style: PLAIN, SOLID; Face Nominal Width: 0.125 INCHES IN; Surface Treatment: PASSIVATE OVERALL; Tooth Form: STANDARD. 19 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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