PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R875B35Gear,spur

Dorer Engineering Inc Dba O J Rodgers Company · NSN 3020-00-690-2936 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-690-2936 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-690-2936. Primary manufacturer part number: R875B35.
Features
  • Gear,spur — FSC 3020
  • Surface Treatment: OXIDE OVERALL
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OR AISI/SAE 1018 ASSN STD 1ST MATERIAL RESPONSE OR AISI/SAE 1020 ASSN STD 2ND MATERIAL RESPONSE OVERALL
  • Hub Style Designator: PLAIN FIRST END
  • Nominal Outside Diameter: 0.401 INCHES IN
  • Style Designator: PROTRUDING HUB
  • Surface Treatment Document and Classification: MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nominal Distance Between Body Face and Protruding Hub End: 0.297 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1018 or Steel Comp 1020 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-690-2936, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dorer Engineering Inc Dba O J Rodgers Company. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-690-2936
Primary Part NumberR875B35
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDorer Engineering Inc Dba O J Rodgers Company
StatusACTIVE
Surface TreatmentOXIDE OVERALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OR AISI/SAE 1018 ASSN STD 1ST MATERIAL RESPONSE OR AISI/SAE 1020 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Hub Style DesignatorPLAIN FIRST END
Nominal Outside Diameter0.401 INCHES IN
Style DesignatorPROTRUDING HUB
Surface Treatment Document and ClassificationMIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.297 INCHES FIRST END IN
Hub Nominal Diameter0.401 INCHES FIRST END IN
Pressure Angle14.5000 DEGREES
Pitch Diameter0.3712 INCHES MINIMUM AND 0.3731 INCHES MAXIMUM IN
Teeth Quantity24
Bore StylePLAIN BOTH ENDS
Face Nominal Width0.281 INCHES IN
Tooth FormSTANDARD
Body StylePLAIN, SOLID
MaterialSTEEL COMP 1018 OR STEEL COMP 1020 OVERALL
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-234-159949847 INTERCHANGEABLE
Jack,telephone
Naval Ship Systems Command
6210-00-299-406649847 INTERCHANGEABLE
Light,panel
Cae Usa Inc.
5995-01-272-4624 INTERCHANGEABLE
Cable Assembly,radio Frequency
4130-01-562-983949847 INTERCHANGEABLE
Manifold,charging and Testing,re
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
49847 Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA)
R875B35 PRIMARY Dorer Engineering Inc Dba O J Rodgers Company (USA)
R875B35 O'brien Gear Co (USA)
R-875-B-35 Southern Gear & Machine Inc (USA)
Related Parts
5935-00-234-1599INTERCHANGEABLE
JACK,TELEPHONE
49847
6210-00-299-4066INTERCHANGEABLE
LIGHT,PANEL
49847
5995-01-272-4624INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
4130-01-562-9839INTERCHANGEABLE
MANIFOLD,CHARGING AND TESTING,RE
49847

Frequently Asked Questions

What is NSN 3020-00-690-2936?

NSN 3020-00-690-2936 is a Gear,spur, manufactured by Dorer Engineering Inc Dba O J Rodgers Company, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-690-2936?

NSN 3020-00-690-2936 has 4 cross-referenced part numbers: 49847 (Smiths Detection Inc. Dba Smiths Detection Inc Casc), R875B35 (Dorer Engineering Inc Dba O J Rodgers Company), R875B35 (O'brien Gear Co), R-875-B-35 (Southern Gear & Machine Inc).

What NSN replaces 3020-00-690-2936?

There are 4 known substitutes for 3020-00-690-2936: 5935-00-234-1599, 6210-00-299-4066, 5995-01-272-4624 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R875B35?

Key specifications for R875B35: Surface Treatment: OXIDE OVERALL; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OR AISI/SAE 1018 ASSN STD 1ST MATERIAL RESPONSE OR AISI/SAE 1020 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Hub Style Designator: PLAIN FIRST END; Nominal Outside Diameter: 0.401 INCHES IN. 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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