PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218-09-05Washer,flat

Karyl Mfg Inc · NSN 5310-00-725-3103 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-725-3103 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-725-3103. Primary manufacturer part number: 218-09-05.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: WOOL OVERALL
  • Overall Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
  • Hole Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Wool Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-725-3103, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Karyl Mfg Inc. Government technical data includes 7 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-725-3103
Primary Part Number218-09-05
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKaryl Mfg Inc
StatusACTIVE
Center Hole Shape StyleROUND
MaterialWOOL OVERALL
Overall Diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Hole Diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5910-00-814-6354 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5310-01-126-0667 INTERCHANGEABLE
Washer
5910-01-281-4957200049 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Boonton Electronics Corporation Div Boonton Electronics
5310-01-553-0824200049 INTERCHANGEABLE
Washer,flat
M. E. Industries, Inc.
2590-01-615-9998200049 INTERCHANGEABLE
Bracket,vehicular Components
Tim Price Inc. Dba Tim Price Inc
6150-01-681-54520200049 INTERCHANGEABLE
Power Strip,electrical Outlet
Berg Manufacturing, Inc.
Cross-Reference Index
Part NumberManufacturer
218-09-05 Karyl Mfg Inc (USA)
200049 Karyl Mfg Inc (USA)
Related Parts
5910-00-814-6354INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5310-01-126-0667INTERCHANGEABLE
WASHER
5910-01-281-4957INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
200049
5310-01-553-0824INTERCHANGEABLE
WASHER,FLAT
200049
2590-01-615-9998INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
200049
6150-01-681-5452INTERCHANGEABLE
POWER STRIP,ELECTRICAL OUTLET
0200049

Frequently Asked Questions

What is NSN 5310-00-725-3103?

NSN 5310-00-725-3103 is a Washer,flat, manufactured by Karyl Mfg Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-725-3103?

NSN 5310-00-725-3103 has 2 cross-referenced part numbers: 218-09-05 (Karyl Mfg Inc), 200049 (Karyl Mfg Inc).

What NSN replaces 5310-00-725-3103?

There are 6 known substitutes for 5310-00-725-3103: 5910-00-814-6354, 5310-01-126-0667, 5910-01-281-4957 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 218-09-05?

Key specifications for 218-09-05: Center Hole Shape Style: ROUND; Material: WOOL OVERALL; Overall Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Hole Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN. 7 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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