PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

150-618FFITEM38Washer,flat

Hardie-Tynes Co., Inc. · NSN 5310-00-223-3162 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-223-3162 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-223-3162. Primary manufacturer part number: 150-618FFITEM38.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Overall Diameter: 2.234 INCHES NOMINAL IN
  • Thickness: 0.031 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 1.562 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-223-3162, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hardie-Tynes Co., Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5310-00-223-3162
Primary Part Number150-618FFITEM38
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHardie-Tynes Co., Inc.
StatusACTIVE
Peripheral Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Overall Diameter2.234 INCHES NOMINAL IN
Thickness0.031 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter1.562 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3431-00-086-118013N16 INTERCHANGEABLE
Nozzle,welding
Weldcraft Customer Service
1650-00-555-142320256 INTERCHANGEABLE
Filter,fluid
Fluid Conditioning Products, Inc.
5120-00-595-9463 INTERCHANGEABLE
Punch,tube Belling,hand
3815-00-756-147320256 INTERCHANGEABLE
Roller Assembly,cra
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5962-01-099-9799MM54C08J INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
5945-01-128-125420256 INTERCHANGEABLE
Flasher,thermal
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
4820-01-312-8198 INTERCHANGEABLE
Valve,relief,pressure and Temper
6145-01-332-7457T-13447 INTERCHANGEABLE
Cable,power,electrical
Prysmian Cables and Systems Usa, Llc Div Manufacturing Plant
2910-01-343-388620256 INTERCHANGEABLE
Plunger,rotor,fuel Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems
4710-01-343-443320256 INTERCHANGEABLE
Tube,metallic
Sullair Corp
Cross-Reference Index
Part NumberManufacturer
150-618FFITEM38 Hardie-Tynes Co., Inc. (USA)
20-256 Hardie-Tynes Co., Inc. (USA)
Related Parts
3431-00-086-1180INTERCHANGEABLE
NOZZLE,WELDING
13N16
1650-00-555-1423INTERCHANGEABLE
FILTER,FLUID
20256
5120-00-595-9463INTERCHANGEABLE
PUNCH,TUBE BELLING,HAND
3815-00-756-1473INTERCHANGEABLE
ROLLER ASSEMBLY,CRA
20256
5962-01-099-9799INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MM54C08J
5945-01-128-1254INTERCHANGEABLE
FLASHER,THERMAL
20256
4820-01-312-8198INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
6145-01-332-7457INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
T-13447
2910-01-343-3886INTERCHANGEABLE
PLUNGER,ROTOR,FUEL PUMP
20256
4710-01-343-4433INTERCHANGEABLE
TUBE,METALLIC
20256
5330-01-461-8422INTERCHANGEABLE
PACKING ASSEMBLY
591-11500-964-3570/ASY
4820-01-498-9252INTERCHANGEABLE
VALVE,SAFETY RELIEF
2025601S0040

Frequently Asked Questions

What is NSN 5310-00-223-3162?

NSN 5310-00-223-3162 is a Washer,flat, manufactured by Hardie-Tynes Co., Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-223-3162?

NSN 5310-00-223-3162 has 2 cross-referenced part numbers: 150-618FFITEM38 (Hardie-Tynes Co., Inc.), 20-256 (Hardie-Tynes Co., Inc.).

What NSN replaces 5310-00-223-3162?

There are 12 known substitutes for 5310-00-223-3162: 3431-00-086-1180, 1650-00-555-1423, 5120-00-595-9463 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 150-618FFITEM38?

Key specifications for 150-618FFITEM38: Peripheral Shape Style: ROUND; Material: COPPER ALLOY OVERALL; Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Diameter: 2.234 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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