PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27391Sprocket Wheel

L3harris Technologies, Inc. · NSN 3020-00-541-7418 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-541-7418 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-541-7418. Primary manufacturer part number: 27391.
Features
  • Sprocket Wheel — FSC 3020
  • Securing Hole Quantity: 2
  • Asa Standard Chain Number: 25
  • Bore Type: STRAIGHT
  • Securing Location: AA END
  • Teeth Quantity Per Row: 11
  • Design Form: PLAIN
  • Protruding Hub Characteristic: PLAIN
Applications
  • Applications requiring Steel construction
General Description

The Sprocket Wheel, cataloged under National Stock Number 3020-00-541-7418, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 24 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-541-7418
Primary Part Number27391
Item NameSprocket Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc.
StatusACTIVE
Securing Hole Quantity2
Asa Standard Chain Number25
Bore TypeSTRAIGHT
Securing LocationAA END
Teeth Quantity Per Row11
Design FormPLAIN
Protruding Hub CharacteristicPLAIN
MaterialSTEEL
Thread Size6-32
Drilled Hole Diameter0.082 INCHES NOMINAL IN
Teeth Row Quantity1
Surface TreatmentCADMIUM
Face Width0.110 INCHES NOMINAL IN
Bore Length0.500 INCHES NOMINAL IN
Outside Diameter1.000 INCHES NOMINAL IN
Tooth Pitch0.250 INCHES NOMINAL IN
Securing MethodTHREADED HOLE(S) OR DRILLED HOLE
Distance From Hub End to Flange End0.390 INCHES NOMINAL BOTH ENDS IN
Style DesignatorPLAIN
Hole LocationLOCATED 0.188 IN. FROM END OF HUB,LOCATED 0.188 IN. FROM END OF HUB 90 DEG FROM THREADED HOLE IN
Pitch Diameter0.887 INCHES NOMINAL IN
Bore Diameter0.250 INCHES NOMINAL IN
Hardness Rating Test MethodNOT RATED
Hub Outside Diameter0.563 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-003-393727391 INTERCHANGEABLE
Spring,helical,compression
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
3110-00-702-155627391 INTERCHANGEABLE
Bearing,roller,cylindrical
Skf Usa Inc.
4820-00-776-68865173A-4TB-350 INTERCHANGEABLE
Valve,safety Relief
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5935-00-801-20582739-1 INTERCHANGEABLE
Connector,receptacle,electrical
Microwave Devices Inc
5910-00-869-63732739-1 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5325-01-191-615427391 INTERCHANGEABLE
Insert,screw Thread
Moog Inc. Dba Ampac-Isp Corp
4820-01-248-999927391 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
6160-01-600-075882026 INTERCHANGEABLE
Retainer,battery
R.g. Enterprises (u.s.a.), Inc. Dba Rg Enterprises Inc
Cross-Reference Index
Part NumberManufacturer
11TRC25BF Fmc Corp Chain Div (USA)
27391 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
27391 PRIMARY L3harris Technologies, Inc. (USA)
Related Parts
5360-00-003-3937INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
27391
3110-00-702-1556INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
27391
4820-00-776-6886INTERCHANGEABLE
VALVE,SAFETY RELIEF
5173A-4TB-350
5935-00-801-2058INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2739-1
5910-00-869-6373INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
2739-1
5325-01-191-6154INTERCHANGEABLE
INSERT,SCREW THREAD
27391
4820-01-248-9999INTERCHANGEABLE
VALVE,GATE
27391
6160-01-600-0758INTERCHANGEABLE
RETAINER,BATTERY
82026

Frequently Asked Questions

What is NSN 3020-00-541-7418?

NSN 3020-00-541-7418 is a Sprocket Wheel, manufactured by L3harris Technologies, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-541-7418?

NSN 3020-00-541-7418 has 3 cross-referenced part numbers: 11TRC25BF (Fmc Corp Chain Div), 27391 (L3harris Technologies, Inc. Div Space and Airborne Systems), 27391 (L3harris Technologies, Inc.).

What NSN replaces 3020-00-541-7418?

There are 8 known substitutes for 3020-00-541-7418: 5360-00-003-3937, 3110-00-702-1556, 4820-00-776-6886 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27391?

Key specifications for 27391: Securing Hole Quantity: 2; Asa Standard Chain Number: 25; Bore Type: STRAIGHT; Securing Location: AA END. 25 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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