PartsTable TECHNICAL DATA SHEET
NSN 3010-01-216-8629Government record, cited

Coupling, Shaft, Flexible3010-01-216-8629

NSN 3010-01-216-8629 · NIIN 012168629 · Part number 2 1/2 FULL FLEX RSB
Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 75394
Government record, cited
NSN 3010-01-216-8629 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-216-8629. Manufacturer of record part number: 2 1/2 FULL FLEX RSB.
Also searched as  3010-01-216-8629 · 3010012168629 · NIIN 012168629 · 01-216-8629 · FSC 3010 Torque Converters and Speed Changers · CAGE 75394 · 2 1/2 FULL FLEX RSB · 2 1/2 BS FASTS
Nearby stock numbers  ·
Features
  • Coupling,shaft,flexible — FSC 3010
  • Bore Length: 2.5625 INCHES NOMINAL BOTH ENDS IN
  • Design Type: INTERNAL GEAR
  • Outside Diameter: 8.375 INCHES NOMINAL IN
  • Features Provided: KEYWAY AND SHROUDED COUPLING BOLT TYPE
  • Bore Shape: STRAIGHT BOTH ENDS
  • Bore Diameter: 2.5000 INCHES NOMINAL BOTH ENDS IN
  • 2 manufacturer part numbers on file
Identification
  • NSN: 3010-01-216-8629
  • NIIN: 012168629
  • FSC: 3010 — Torque Converters and Speed Changers
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 2 1/2 FULL FLEX RSB
  • Manufacturer: Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-216-8629, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-216-8629
Primary Part Number2 1/2 FULL FLEX RSB
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — Torque Converters and Speed Changers
ManufacturerEmerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division
StatusACTIVE
Bore Length2.5625 INCHES NOMINAL BOTH ENDS IN
Design TypeINTERNAL GEAR
Outside Diameter8.375 INCHES NOMINAL IN
Features ProvidedKEYWAY AND SHROUDED COUPLING BOLT TYPE
Bore ShapeSTRAIGHT BOTH ENDS
Bore Diameter2.5000 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
2 1/2 FULL FLEX RSB PRIMARY Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA)
2 1/2 BS FASTS Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA)
No interchangeability data on file.
Other items in FSC 3010 — Torque Converters and Speed Changers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3010-00-010-0577
3010-00-010-0577 · Item name not on file
3010-00-267-4959
GRIDMEMBER,COUPLING
3010-00-267-4959
GRIDMEMBER,COUPLING
3010-00-267-4959
GRIDMEMBER,COUPLING
3010-00-356-3346
CLUTCH ASSEMBLY,FRICTION
3010-00-395-0188
CLUTCH,DRUM
3010-00-395-0188
CLUTCH,DRUM
3010-00-395-0188
CLUTCH,DRUM

Frequently Asked Questions

What is NSN 3010-01-216-8629?

NSN 3010-01-216-8629 is a Coupling,shaft,flexible, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What part numbers are listed for NSN 3010-01-216-8629?

NSN 3010-01-216-8629 has 2 manufacturer part numbers on file: 2 1/2 FULL FLEX RSB (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), 2 1/2 BS FASTS (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).

What are the specifications of 2 1/2 FULL FLEX RSB?

Key specifications for 2 1/2 FULL FLEX RSB: Bore Length: 2.5625 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR; Overall Length: 6.250 INCHES NOMINAL IN; Outside Diameter: 8.375 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-216-8629 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.

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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