PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9729Washer,flat

Cummins Inc. · NSN 5310-00-599-8111 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-599-8111 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-599-8111. Primary manufacturer part number: 9729.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: PAPER OVERALL
  • Thickness: 0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.407 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
  • Overall Diameter: 0.562 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Paper Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-599-8111, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-599-8111
Primary Part Number9729
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
MaterialPAPER OVERALL
Thickness0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter0.407 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
Overall Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-012-22300911048-7 INTERCHANGEABLE
Nut,plain,hexagon
Agco Corp Parts Opn
5905-00-193-3679 INTERCHANGEABLE
Resistor,fixed,wire Wound
5330-00-474-18209729 INTERCHANGEABLE
Packing,preformed
Hydro-Aire Aerospace Corp
2910-00-640-5622107147 INTERCHANGEABLE
Filter,fluid
Cummins Inc.
2910-00-781-13545574533 INTERCHANGEABLE
Filter,fluid
Rolls-Royce Solutions America Inc
5340-01-189-48739729 INTERCHANGEABLE
Cover,access
Carlisle & Finch Co
6145-01-249-31339729 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5120-01-629-97009729 INTERCHANGEABLE
Wrench,box
Martin Sprocket and Gear Inc
5330-01-640-977343294 INTERCHANGEABLE
Seal,plain
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
9729 PRIMARY Cummins Inc. (USA)
H9729 Cummins Inc. (USA)
Related Parts
5310-00-012-2230INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0911048-7
5905-00-193-3679INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5330-00-474-1820INTERCHANGEABLE
PACKING,PREFORMED
9729
2910-00-640-5622INTERCHANGEABLE
FILTER,FLUID
107147
2910-00-781-1354INTERCHANGEABLE
FILTER,FLUID
5574533
5340-01-189-4873INTERCHANGEABLE
COVER,ACCESS
9729
6145-01-249-3133INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9729
5120-01-629-9700INTERCHANGEABLE
WRENCH,BOX
9729
5330-01-640-9773INTERCHANGEABLE
SEAL,PLAIN
43294

Frequently Asked Questions

What is NSN 5310-00-599-8111?

NSN 5310-00-599-8111 is a Washer,flat, manufactured by Cummins Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-599-8111?

NSN 5310-00-599-8111 has 2 cross-referenced part numbers: 9729 (Cummins Inc.), H9729 (Cummins Inc.).

What NSN replaces 5310-00-599-8111?

There are 9 known substitutes for 5310-00-599-8111: 5310-00-012-2230, 5905-00-193-3679, 5330-00-474-1820 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9729?

Key specifications for 9729: Cross-Sectional Shape Style: RECTANGULAR; Material: PAPER OVERALL; Thickness: 0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-599-8111 still in active supply?

NSN 5310-00-599-8111 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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