PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PH208Washer,flat

Wisconsin Motors, Llc · NSN 5310-00-221-3142 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-221-3142 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-221-3142. Primary manufacturer part number: PH208.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.266 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Material: LEAD OVERALL
  • Thickness: 0.031 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Lead Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-221-3142, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-221-3142
Primary Part NumberPH208
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
Overall Diameter0.500 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.266 INCHES NOMINAL IN
Center Hole Shape StyleROUND
MaterialLEAD OVERALL
Thickness0.031 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-61881-73309 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-155-95591309W INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
3110-00-156-1718 INTERCHANGEABLE
Bearing,ball,thrust
6250-00-223-4876156-126 INTERCHANGEABLE
Socket,lamp Starter
Safetran Systems Co Sub of Cci Corp
5130-00-447-82694309 INTERCHANGEABLE
Spacer,saw Shaft Be
Skil Corp
8040-00-852-6940 INTERCHANGEABLE
Adhesive
5945-00-931-1552 INTERCHANGEABLE
Relay Assembly
4530-01-052-9714 INTERCHANGEABLE
Whirl Chamber Cartridge
5945-01-090-14204309 INTERCHANGEABLE
Relay Assembly
Charles Industries, Llc Div Telecom
6150-01-124-0201 INTERCHANGEABLE
Power Strip,electrical Outlet
Cross-Reference Index
Part NumberManufacturer
4309 D & J Parts Inc (USA)
PH208 PRIMARY Wisconsin Motors, Llc (USA)
4309 PRIMARY L & L Boiler Maintenance Inc (USA)
Related Parts
3110-00-155-6188INTERCHANGEABLE
BEARING,BALL,ANNULAR
1-73309
3110-00-155-9559INTERCHANGEABLE
BEARING,BALL,ANNULAR
1309W
3110-00-156-1718INTERCHANGEABLE
BEARING,BALL,THRUST
6250-00-223-4876INTERCHANGEABLE
SOCKET,LAMP STARTER
156-126
5130-00-447-8269INTERCHANGEABLE
SPACER,SAW SHAFT BE
4309
8040-00-852-6940INTERCHANGEABLE
ADHESIVE
5945-00-931-1552INTERCHANGEABLE
RELAY ASSEMBLY
4530-01-052-9714INTERCHANGEABLE
WHIRL CHAMBER CARTRIDGE
5945-01-090-1420INTERCHANGEABLE
RELAY ASSEMBLY
4309
6150-01-124-0201INTERCHANGEABLE
POWER STRIP,ELECTRICAL OUTLET
6515-01-174-2394INTERCHANGEABLE
CASE,NEEDLE AND BLADE,COUNTER-DI
4309
5950-01-389-7919INTERCHANGEABLE
REACTOR
4309

Frequently Asked Questions

What is NSN 5310-00-221-3142?

NSN 5310-00-221-3142 is a Washer,flat, manufactured by Wisconsin Motors, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-221-3142?

NSN 5310-00-221-3142 has 3 cross-referenced part numbers: 4309 (D & J Parts Inc), PH208 (Wisconsin Motors, Llc), 4309 (L & L Boiler Maintenance Inc).

What NSN replaces 5310-00-221-3142?

There are 12 known substitutes for 5310-00-221-3142: 3110-00-155-6188, 3110-00-155-9559, 3110-00-156-1718 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PH208?

Key specifications for PH208: Overall Diameter: 0.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 0.266 INCHES NOMINAL IN; Center Hole Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-221-3142 still in active supply?

NSN 5310-00-221-3142 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.
PartsTable Design LLC · partstable.com