PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16553Cap,bearing

Emerson Electric Co U S Electrical Motors Div · NSN 4920-00-801-8604 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-801-8604 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-801-8604. Primary manufacturer part number: B16553.
Features
  • Cap,bearing — FSC 4920
  • General Characteristics Item Description: CAST IRON,1.125 IN. LG,5.500 IN. O/A DIM IN
  • 3 verified cross-references
  • Primary manufacturer: Emerson Electric Co U S Electrical Motors Div
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Cap,bearing, cataloged under National Stock Number 4920-00-801-8604, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Emerson Electric Co U S Electrical Motors Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4920-00-801-8604
Primary Part NumberB16553
Item NameCap,bearing
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerEmerson Electric Co U S Electrical Motors Div
StatusCANCELLED
General Characteristics Item DescriptionCAST IRON,1.125 IN. LG,5.500 IN. O/A DIM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2040-00-262-4426 INTERCHANGEABLE
Oar
4820-00-287-408916553 INTERCHANGEABLE
Valve,safety Relief
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5940-00-926-98260142012479 INTERCHANGEABLE
Terminal,stud
Fluke Electronics Corp
6680-01-424-803443590 INTERCHANGEABLE
Float,sight Indicator
Setra Systems, Inc. Dba Gems Sensors
5120-01-429-647300943590000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5330-01-566-045516553 INTERCHANGEABLE
Gasket
Eastern Co Div Eberhard Manufacturing
5365-01-662-550343590 INTERCHANGEABLE
Spacer,sleeve
Metalcraft of Mayville Inc
Cross-Reference Index
Part NumberManufacturer
B16553 Emerson Electric Co U S Electrical Motors Div (USA)
43590 Emerson Electric Co U S Electrical Motors Div (USA)
16553 Emerson Electric Co U S Electrical Motors Div (USA)
Related Parts
2040-00-262-4426INTERCHANGEABLE
OAR
4820-00-287-4089INTERCHANGEABLE
VALVE,SAFETY RELIEF
16553
5940-00-926-9826INTERCHANGEABLE
TERMINAL,STUD
0142012479
6680-01-424-8034INTERCHANGEABLE
FLOAT,SIGHT INDICATOR
43590
5120-01-429-6473INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00943590000
5330-01-566-0455INTERCHANGEABLE
GASKET
16553
5365-01-662-5503INTERCHANGEABLE
SPACER,SLEEVE
43590

Frequently Asked Questions

What is NSN 4920-00-801-8604?

NSN 4920-00-801-8604 is a Cap,bearing, manufactured by Emerson Electric Co U S Electrical Motors Div, classified under FSC 4920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4920-00-801-8604?

NSN 4920-00-801-8604 has 3 cross-referenced part numbers: B16553 (Emerson Electric Co U S Electrical Motors Div), 43590 (Emerson Electric Co U S Electrical Motors Div), 16553 (Emerson Electric Co U S Electrical Motors Div).

What NSN replaces 4920-00-801-8604?

There are 7 known substitutes for 4920-00-801-8604: 2040-00-262-4426, 4820-00-287-4089, 5940-00-926-9826 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16553?

Key specifications for B16553: End Item Identification: P/O 205582 MOTOR TRANSMISSION ASSY,U/O DRIVE ASSY 28691. TEST STAND,ACFT GENERATOR TYPE A2; General Characteristics Item Description: CAST IRON,1.125 IN. LG,5.500 IN. O/A DIM IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4920-00-801-8604 still in active supply?

NSN 4920-00-801-8604 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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