PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

87749-3502 ITEM 247,248,249Gear Set,bevel,matched

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 3020-01-275-5253 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-275-5253 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-275-5253. Primary manufacturer part number: 87749-3502 ITEM 247,248,249.
Features
  • Gear Set,bevel,matched — FSC 3020
  • Component Quantity: 3
  • Nonsupply Items and Quantities: BEVEL GEAR 3
  • 4 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Set,bevel,matched, cataloged under National Stock Number 3020-01-275-5253, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN3020-01-275-5253
Primary Part Number87749-3502 ITEM 247,248,249
Item NameGear Set,bevel,matched
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Component Quantity3
Nonsupply Items and QuantitiesBEVEL GEAR 3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2520-01-143-730687749-3502-0161 INTERCHANGEABLE
Universal Joint,vehicular
Electric Boat Corporation Div General Dynamics Electric Boat
3020-01-144-02824695294-0219 INTERCHANGEABLE
Gear,special
Electric Boat Corporation Div General Dynamics Electric Boat
2520-01-144-261887749-3502-0162 INTERCHANGEABLE
Universal Joint,vehicular
Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-147-801687749-3502 ITEM 157 INTERCHANGEABLE
Propeller Shaft,nonvehicular
Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-147-801787749-3502 ITEM 158 INTERCHANGEABLE
Propeller Shaft,nonvehicular
Electric Boat Corporation Div General Dynamics Electric Boat
3020-01-152-02314695294-0216 INTERCHANGEABLE
Gear,spur
Electric Boat Corporation Div General Dynamics Electric Boat
3020-01-161-512677-25-2485 INTERCHANGEABLE
Gear Set,bevel,matched
Electric Boat Corporation Div General Dynamics Electric Boat
2520-01-182-0962206-4695294 ITEM 151 INTERCHANGEABLE
Universal Joint,vehicular
Naval Sea Systems Command
2520-01-184-1176206-4695294 ITEM 152 INTERCHANGEABLE
Universal Joint,vehicular
Naval Sea Systems Command
3010-01-184-98574695294 ITEM 160 INTERCHANGEABLE
Drive Unit,angle
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
206-4695294 ITEM 247,248,249 Naval Ship Systems Command (USA)
206-4695294 Naval Ship Systems Command (USA)
87749-3502 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
87749-3502 ITEM 247,248,249 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
2520-01-143-7306INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
87749-3502-0161
3020-01-144-0282INTERCHANGEABLE
GEAR,SPECIAL
4695294-0219
2520-01-144-2618INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
87749-3502-0162
3040-01-147-8016INTERCHANGEABLE
PROPELLER SHAFT,NONVEHICULAR
87749-3502 ITEM 157
3040-01-147-8017INTERCHANGEABLE
PROPELLER SHAFT,NONVEHICULAR
87749-3502 ITEM 158
3020-01-152-0231INTERCHANGEABLE
GEAR,SPUR
4695294-0216
3020-01-161-5126INTERCHANGEABLE
GEAR SET,BEVEL,MATCHED
77-25-2485
2520-01-182-0962INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
206-4695294 ITEM 151
2520-01-184-1176INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
206-4695294 ITEM 152
3010-01-184-9857INTERCHANGEABLE
DRIVE UNIT,ANGLE
4695294 ITEM 160
2520-01-211-7194INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
77-82-0124
2520-01-212-3686INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
4695294 ITEM 153

Frequently Asked Questions

What is NSN 3020-01-275-5253?

NSN 3020-01-275-5253 is a Gear Set,bevel,matched, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-275-5253?

NSN 3020-01-275-5253 has 4 cross-referenced part numbers: 206-4695294 ITEM 247,248,249 (Naval Ship Systems Command), 206-4695294 (Naval Ship Systems Command), 87749-3502 (Electric Boat Corporation Div General Dynamics Electric Boat), 87749-3502 ITEM 247,248,249 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 3020-01-275-5253?

There are 12 known substitutes for 3020-01-275-5253: 2520-01-143-7306, 3020-01-144-0282, 2520-01-144-2618 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 87749-3502 ITEM 247,248,249?

Key specifications for 87749-3502 ITEM 247,248,249: End Item Identification: SSBN TRIDENT CLASS; Component Quantity: 3; Nonsupply Items and Quantities: BEVEL GEAR 3. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com