PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22-149Washer,flat

Bae Systems Technology Solutions & Services Inc. · NSN 5310-00-082-1990 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-082-1990 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-082-1990. Primary manufacturer part number: 22-149.
Features
  • Washer,flat — FSC 5310
  • Material: COPPER ALLOY 116 OVERALL
  • Thickness: 0.045 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: SILVER OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 116 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-082-1990, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Technology Solutions & Services Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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: Active.

Technical Specifications
ParameterValue
NSN5310-00-082-1990
Primary Part Number22-149
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBae Systems Technology Solutions & Services Inc.
StatusACTIVE
MaterialCOPPER ALLOY 116 OVERALL
Thickness0.045 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Overall Diameter0.375 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentSILVER OVERALL
Hole Diameter0.255 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-145-135722149A INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
5998-00-445-2341 INTERCHANGEABLE
Circuit Card Assembly
3455-01-044-6362 INTERCHANGEABLE
Reamer,machine
2920-01-101-255226214 INTERCHANGEABLE
Parts Kit,coil Arm and Solenoid
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
3110-01-429-846922-149 INTERCHANGEABLE
Bearing,ball,annular
Natural Gas Solutions North America Llc Div Industrial Products Group
6240-01-459-335122149 INTERCHANGEABLE
Lamp,metal Halide
Venture Lighting International, Inc. Dba Venture Lighting Intl
4710-01-651-979422149 INTERCHANGEABLE
Tube,bent,metallic
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
22-149 Bae Systems Technology Solutions & Services Inc. (USA)
Related Parts
5330-00-145-1357INTERCHANGEABLE
GASKET
22149A
5998-00-445-2341INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3455-01-044-6362INTERCHANGEABLE
REAMER,MACHINE
2920-01-101-2552INTERCHANGEABLE
PARTS KIT,COIL ARM AND SOLENOID
26214
3110-01-429-8469INTERCHANGEABLE
BEARING,BALL,ANNULAR
22-149
6240-01-459-3351INTERCHANGEABLE
LAMP,METAL HALIDE
22149
4710-01-651-9794INTERCHANGEABLE
TUBE,BENT,METALLIC
22149

Frequently Asked Questions

What is NSN 5310-00-082-1990?

NSN 5310-00-082-1990 is a Washer,flat, manufactured by Bae Systems Technology Solutions & Services Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-082-1990?

NSN 5310-00-082-1990 has 1 cross-referenced part number: 22-149 (Bae Systems Technology Solutions & Services Inc.).

What NSN replaces 5310-00-082-1990?

There are 7 known substitutes for 5310-00-082-1990: 5330-00-145-1357, 5998-00-445-2341, 3455-01-044-6362 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22-149?

Key specifications for 22-149: Material: COPPER ALLOY 116 OVERALL; Thickness: 0.045 INCHES NOMINAL IN; Center Hole Shape Style: ROUND; Overall Diameter: 0.375 INCHES NOMINAL IN. 8 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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