PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56447Washer,flat

Cae Usa Inc. · NSN 5310-00-286-9187 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-286-9187 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-286-9187. Primary manufacturer part number: 56447.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.453 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: WOOL OVERALL
  • Overall Diameter: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
  • Thickness: 0.062 INCHES NOMINAL IN
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 5310-00-286-9187, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cae Usa Inc.. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-286-9187
Primary Part Number56447
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCae Usa Inc.
StatusCANCELLED
Center Hole Shape StyleROUND
Hole Diameter0.453 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialWOOL OVERALL
Overall Diameter0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
1740-00-150-649656447-750 INTERCHANGEABLE
Tongue Assembly,towbar
Aerol Llc
5330-00-582-1548 INTERCHANGEABLE
Retainer,packing
6680-01-096-666556447 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
4210-01-518-989532239 INTERCHANGEABLE
Cylinder,fire Extinguisher
Tyco Fire Products Lp
4210-01-522-539956447 INTERCHANGEABLE
Cylinder,fire Extinguisher
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
56447 Raytheon Technical Services Company (USA)
1007 Hdt Expeditionary Systems Inc (USA)
56447 PRIMARY Cae Usa Inc. (USA)
Related Parts
1740-00-150-6496INTERCHANGEABLE
TONGUE ASSEMBLY,TOWBAR
56447-750
5330-00-582-1548INTERCHANGEABLE
RETAINER,PACKING
6680-01-096-6665INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
56447
4210-01-518-9895INTERCHANGEABLE
CYLINDER,FIRE EXTINGUISHER
32239
4210-01-522-5399INTERCHANGEABLE
CYLINDER,FIRE EXTINGUISHER
56447

Frequently Asked Questions

What is NSN 5310-00-286-9187?

NSN 5310-00-286-9187 is a Washer,flat, manufactured by Cae Usa Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-286-9187?

NSN 5310-00-286-9187 has 3 cross-referenced part numbers: 56447 (Raytheon Technical Services Company), 1007 (Hdt Expeditionary Systems Inc), 56447 (Cae Usa Inc.).

What NSN replaces 5310-00-286-9187?

There are 5 known substitutes for 5310-00-286-9187: 1740-00-150-6496, 5330-00-582-1548, 6680-01-096-6665 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56447?

Key specifications for 56447: Center Hole Shape Style: ROUND; Hole Diameter: 0.453 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-286-9187 still in active supply?

NSN 5310-00-286-9187 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.
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