PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21984Needle,bearing

Emerson Power Transmission Corporation Div Ept · NSN 3110-01-607-6991 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-607-6991 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-607-6991. Primary manufacturer part number: 21984.
Features
  • Needle,bearing — FSC 3110
  • 2 verified cross-references
  • Primary manufacturer: Emerson Power Transmission Corporation Div Ept
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Needle,bearing, cataloged under National Stock Number 3110-01-607-6991, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Emerson Power Transmission Corporation Div Ept. This item has 2 commercial cross-references from 2 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
NSN3110-01-607-6991
Primary Part Number21984
Item NameNeedle,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerEmerson Power Transmission Corporation Div Ept
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-134-5800219-84 INTERCHANGEABLE
Clip,electrical
Thales Components Corp Div Thales Components Corporation
5999-00-819-71089156810 INTERCHANGEABLE
Clip,electrical
Us Army Aviation and Missile Command
5935-00-973-1153 INTERCHANGEABLE
Connector,receptacle,electrical
4710-01-017-9279TT8-4-51 INTERCHANGEABLE
Tube,jacket,burner
Todd Combustion Inc
6145-01-138-27181898/4C INTERCHANGEABLE
Cable,power,electrical
Belden, Inc.
3510-01-162-4461 INTERCHANGEABLE
Cover,bleach Dispenser
2990-01-562-858321984 INTERCHANGEABLE
Heater,coolant,engine
Willard Marine, Inc.
5340-01-691-110821984 INTERCHANGEABLE
Plug,protective,dust and Moistur
Tulsa Winch, Inc.
Cross-Reference Index
Part NumberManufacturer
21984 Allied Systems Company Dba Allied Systems Co (USA)
21984 PRIMARY Emerson Power Transmission Corporation Div Ept (USA)
Related Parts
5999-00-134-5800INTERCHANGEABLE
CLIP,ELECTRICAL
219-84
5999-00-819-7108INTERCHANGEABLE
CLIP,ELECTRICAL
9156810
5935-00-973-1153INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4710-01-017-9279INTERCHANGEABLE
TUBE,JACKET,BURNER
TT8-4-51
6145-01-138-2718INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
1898/4C
3510-01-162-4461INTERCHANGEABLE
COVER,BLEACH DISPENSER
2990-01-562-8583INTERCHANGEABLE
HEATER,COOLANT,ENGINE
21984
5340-01-691-1108INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
21984

Frequently Asked Questions

What is NSN 3110-01-607-6991?

NSN 3110-01-607-6991 is a Needle,bearing, manufactured by Emerson Power Transmission Corporation Div Ept, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-607-6991?

NSN 3110-01-607-6991 has 2 cross-referenced part numbers: 21984 (Allied Systems Company Dba Allied Systems Co), 21984 (Emerson Power Transmission Corporation Div Ept).

What NSN replaces 3110-01-607-6991?

There are 8 known substitutes for 3110-01-607-6991: 5999-00-134-5800, 5999-00-819-7108, 5935-00-973-1153 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21984?

Key specifications for 21984: End Item Identification: KNUCKLE BOOM P/N K280-70 ONBOARD 400 FT WAGB COAST GUARD CUTTER POLAR STAR FT. 1 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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