PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8B7049Cap,bearing

Napco International Llc Dba Napco International Inc · NSN 2520-00-773-5609 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-773-5609 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-773-5609. Primary manufacturer part number: 8B7049.
Features
  • Cap,bearing — FSC 2520
  • General Characteristics Item Description: STEEL,5.125 IN.H,6.248 IN.MIN/6.250 IN.MAX DIA,4 MTG HOLES EQUALLY SPACED ON 5.562 IN.BOLT CIRCLE,0.406 IN.DIA IN
  • 4 verified cross-references
  • Primary manufacturer: Napco International Llc Dba Napco International Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Cap,bearing, cataloged under National Stock Number 2520-00-773-5609, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-773-5609
Primary Part Number8B7049
Item NameCap,bearing
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL,5.125 IN.H,6.248 IN.MIN/6.250 IN.MAX DIA,4 MTG HOLES EQUALLY SPACED ON 5.562 IN.BOLT CIRCLE,0.406 IN.DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-022-7411RCS200E INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5120-00-089-9624 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-168-5278 INTERCHANGEABLE
Remover,integrated Circuit
5940-00-171-046049-16 INTERCHANGEABLE
Terminal Board
Bae Systems Information and Electronic Systems Integration Inc.
5930-00-250-379333673-23 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5985-00-492-7921 INTERCHANGEABLE
Coupler,directional
4730-00-843-0269 INTERCHANGEABLE
Adapter,straight,tube to Hose
5950-01-018-3073C-181-AH INTERCHANGEABLE
Coil,electrical
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5120-01-074-7704GS15962-1 INTERCHANGEABLE
Tool,cap,protective
Hamilton Sundstrand Corporation Dba Collins Aerospace
6130-01-091-4248491-10 INTERCHANGEABLE
Power Supply
Astronics Advanced Electronic Systems Corp. Dba Astronics Advanced Electronic Systems
Cross-Reference Index
Part NumberManufacturer
8B7049 PRIMARY Napco International Llc Dba Napco International Inc (USA)
7735609 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
BB2104 Diamond Reo Truck Co (USA)
4916 Clark Equipment Co (USA)
Related Parts
5905-00-022-7411INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
RCS200E
5120-00-089-9624INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-168-5278INTERCHANGEABLE
REMOVER,INTEGRATED CIRCUIT
5940-00-171-0460INTERCHANGEABLE
TERMINAL BOARD
49-16
5930-00-250-3793INTERCHANGEABLE
SWITCH,ROTARY
33673-23
5985-00-492-7921INTERCHANGEABLE
COUPLER,DIRECTIONAL
4730-00-843-0269INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
5950-01-018-3073INTERCHANGEABLE
COIL,ELECTRICAL
C-181-AH
5120-01-074-7704INTERCHANGEABLE
TOOL,CAP,PROTECTIVE
GS15962-1
6130-01-091-4248INTERCHANGEABLE
POWER SUPPLY
491-10
4820-01-192-8072INTERCHANGEABLE
VALVE,VACUUM BREAKING
7M758-1
5985-01-319-5158INTERCHANGEABLE
ISOLATOR,RADIO FREQUENCY REFLECT
4916

Frequently Asked Questions

What is NSN 2520-00-773-5609?

NSN 2520-00-773-5609 is a Cap,bearing, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-773-5609?

NSN 2520-00-773-5609 has 4 cross-referenced part numbers: 8B7049 (Napco International Llc Dba Napco International Inc), 7735609 (U S Army Tank Automotive Command Amsta-Im-Mm), BB2104 (Diamond Reo Truck Co), 4916 (Clark Equipment Co).

What NSN replaces 2520-00-773-5609?

There are 12 known substitutes for 2520-00-773-5609: 5905-00-022-7411, 5120-00-089-9624, 5120-00-168-5278 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8B7049?

Key specifications for 8B7049: General Characteristics Item Description: STEEL,5.125 IN.H,6.248 IN.MIN/6.250 IN.MAX DIA,4 MTG HOLES EQUALLY SPACED ON 5.562 IN.BOLT CIRCLE,0.406 IN.DIA IN. 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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