PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5248Bearing,washer,thrust

Rosco Mfg Co · NSN 3120-01-408-6003 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-408-6003 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-408-6003. Primary manufacturer part number: 5248.
Features
  • Bearing,washer,thrust — FSC 3120
  • 2 verified cross-references
  • Primary manufacturer: Rosco Mfg Co
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-408-6003, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rosco Mfg Co. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,washer,thrust
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersRosco Mfg Co (CAGE 51805); Viking Pump, Inc (CAGE 63097)
Technical Specifications
ParameterValue
NSN3120-01-408-6003
Primary Part Number5248
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRosco Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-150-15895248U INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Erie Malleable Iron Co
4820-00-276-9041 INTERCHANGEABLE
Cock,drain
5950-00-453-4647 INTERCHANGEABLE
Coil,radio Frequency
5999-00-847-371852-48 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
5330-00-963-9128G8-035025 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5310-01-213-6639 INTERCHANGEABLE
Nut,rim,clamp
6145-01-224-24525248C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
3110-01-257-7611 INTERCHANGEABLE
Bearing,ball,annular
2920-01-279-3049105-248 INTERCHANGEABLE
Regulator,engine Generator
Prestolite Electric Inc
4210-01-284-48775248 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
5248 PRIMARY Rosco Mfg Co (USA)
2-785-016-999 PRIMARY Viking Pump, Inc (USA)
Related Parts
5310-00-150-1589INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
5248U
4820-00-276-9041INTERCHANGEABLE
COCK,DRAIN
5950-00-453-4647INTERCHANGEABLE
COIL,RADIO FREQUENCY
5999-00-847-3718INTERCHANGEABLE
DELAY LINE
52-48
5330-00-963-9128INTERCHANGEABLE
GASKET
G8-035025
5310-01-213-6639INTERCHANGEABLE
NUT,RIM,CLAMP
6145-01-224-2452INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5248C
3110-01-257-7611INTERCHANGEABLE
BEARING,BALL,ANNULAR
2920-01-279-3049INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
105-248
4210-01-284-4877INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
5248
5120-01-525-7420INTERCHANGEABLE
INSERTER,SEAL
5248
5985-01-616-4856INTERCHANGEABLE
ANTENNA
5248

Frequently Asked Questions

What is NSN 3120-01-408-6003?

NSN 3120-01-408-6003 is a Bearing,washer,thrust, manufactured by Rosco Mfg Co, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-408-6003?

NSN 3120-01-408-6003 has 2 cross-referenced part numbers: 5248 (Rosco Mfg Co), 2-785-016-999 (Viking Pump, Inc).

What NSN replaces 3120-01-408-6003?

There are 12 known substitutes for 3120-01-408-6003: 5310-00-150-1589, 4820-00-276-9041, 5950-00-453-4647 and 9 more. Verify interchangeability with system specifications before substitution.

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