PartsTable TECHNICAL DATA SHEET
NSN 1680-00-993-5465Government record, cited

Retainer-Gear, Bearing1680-00-993-5465

NSN 1680-00-993-5465 · NIIN 009935465 · Part number BL8343
Breeze-Eastern Llc · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 08484
Government record, cited
NSN 1680-00-993-5465 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-993-5465. Manufacturer of record part number: BL8343.
Also searched as  1680-00-993-5465 · 1680009935465 · NIIN 009935465 · 00-993-5465 · FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 08484 · BL8343
Nearby stock numbers  ·
Features
  • Retainer-Gear,bearing — FSC 1680
  • General Characteristics Item Description: ALUMINUM ALLOY QQ-A-225/6 TEMPER T351,SURFACE FINISH,HARD-COATED AMS2468 O/A,LUBRICATION,SOLID FILM MIL-L-8937 GEAR TEETH,DIM.,0.744 IN. NOM O/A W,3.1243 IN. MIN,3.1250 IN. MAX FLANGE OD,0.120 IN. MIN,0.130 IN. MAX FLANGE W,1.312 IN. NOM OD BOTH SIDES OF FLANGE,1.1250 IN. MIN,1.1257 IN. MAX ID BY 0.390 IN. NOM LG,0.526 IN. MIN,0.536 IN. MAX ID LEFT SIDE BY 0.229 IN. LG,SPUR GEAR DATA,26 TEETH 0.157 IN. FACE W,20 DEG PRESSURE ANGLE0.09818 IN. CIRCULAR PITCH,0.8125 IN. PITCH DIA,0.872 IN. MIN,0.875 IN. MAX OD,THREE MTG HOLES ON FLANGE 0.153 IN.MIN,0.158 IN. MAX DIA EQUALLY SPACED LOCATED ON 2.796 IN. DIA BOLT CIRCLE,ONE HOLE AT 10 DEG 0.1277 IN. MIN,0.1282 IN. MAX DIA ON 2-796 IN. DIA BOLT CIRCLE,MAX SURFACE FINISH,125 MICROINCHES AA O/A IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Breeze-Eastern Llc
Identification
  • NSN: 1680-00-993-5465
  • NIIN: 009935465
  • FSC: 1680 — Miscellaneous Aircraft Accessories and Components
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: BL8343
  • Manufacturer: Breeze-Eastern Llc
General Description

The Retainer-Gear,bearing, cataloged under National Stock Number 1680-00-993-5465, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-00-993-5465
Primary Part NumberBL8343
Item NameRetainer-Gear,bearing
FSC / FSG1680 / 16 — Miscellaneous Aircraft Accessories and Components
ManufacturerBreeze-Eastern Llc
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY QQ-A-225/6 TEMPER T351,SURFACE FINISH,HARD-COATED AMS2468 O/A,LUBRICATION,SOLID FILM MIL-L-8937 GEAR TEETH,DIM.,0.744 IN. NOM O/A W,3.1243 IN. MIN,3.1250 IN. MAX FLANGE OD,0.120 IN. MIN,0.130 IN. MAX FLANGE W,1.312 IN. NOM OD BOTH SIDES OF FLANGE,1.1250 IN. MIN,1.1257 IN. MAX ID BY 0.390 IN. NOM LG,0.526 IN. MIN,0.536 IN. MAX ID LEFT SIDE BY 0.229 IN. LG,SPUR GEAR DATA,26 TEETH 0.157 IN. FACE W,20 DEG PRESSURE ANGLE0.09818 IN. CIRCULAR PITCH,0.8125 IN. PITCH DIA,0.872 IN. MIN,0.875 IN. MAX OD,THREE MTG HOLES ON FLANGE 0.153 IN.MIN,0.158 IN. MAX DIA EQUALLY SPACED LOCATED ON 2.796 IN. DIA BOLT CIRCLE,ONE HOLE AT 10 DEG 0.1277 IN. MIN,0.1282 IN. MAX DIA ON 2-796 IN. DIA BOLT CIRCLE,MAX SURFACE FINISH,125 MICROINCHES AA O/A IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
BL8343 PRIMARY Breeze-Eastern Llc (USA)
No interchangeability data on file.
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G

Frequently Asked Questions

What is NSN 1680-00-993-5465?

NSN 1680-00-993-5465 is a Retainer-Gear,bearing, manufactured by Breeze-Eastern Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.

What part numbers are listed for NSN 1680-00-993-5465?

NSN 1680-00-993-5465 has 1 manufacturer part number on file: BL8343 (Breeze-Eastern Llc).

What are the specifications of BL8343?

Key specifications for BL8343: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-225/6 TEMPER T351,SURFACE FINISH,HARD-COATED AMS2468 O/A,LUBRICATION,SOLID FILM MIL-L-8937 GEAR TEETH,DIM.,0.744 IN. NOM O/A W,3.1243 IN. MIN,3.1250 IN. MAX FLANGE OD,0.120 IN. MIN,0.130 IN. MAX FLANGE W,1.312 IN. NOM OD BOTH SIDES OF FLANGE,1.1250 IN. MIN,1.1257 IN. MAX ID BY 0.390 IN. NOM LG,0.526 IN. MIN,0.536 IN. MAX ID LEFT SIDE BY 0.229 IN. LG,SPUR GEAR DATA,26 TEETH 0.157 IN. FACE W,20 DEG PRESSURE ANGLE0.09818 IN. CIRCULAR PITCH,0.8125 IN. PITCH DIA,0.872 IN. MIN,0.875 IN. MAX OD,THREE MTG HOLES ON FLANGE 0.153 IN.MIN,0.158 IN. MAX DIA EQUALLY SPACED LOCATED ON 2.796 IN. DIA BOLT CIRCLE,ONE HOLE AT 10 DEG 0.1277 IN. MIN,0.1282 IN. MAX DIA ON 2-796 IN. DIA BOLT CIRCLE,MAX SURFACE FINISH,125 MICROINCHES AA O/A IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 1680-00-993-5465 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 1680-00-993-5465?

NSN 1680-00-993-5465 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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