PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3246Washer,flat

Hdt Expeditionary Systems Inc · NSN 5310-00-291-7913 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-291-7913 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-291-7913. Primary manufacturer part number: 3246.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: RUBBER SYNTHETIC OVERALL
  • Hole Diameter: 0.250 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Hardness Rating: 60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-291-7913, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 8 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
NSN5310-00-291-7913
Primary Part Number3246
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusCANCELLED
Center Hole Shape StyleROUND
MaterialRUBBER SYNTHETIC OVERALL
Hole Diameter0.250 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Overall Diameter0.375 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
Hardness Rating60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2620-00-142-53593246 INTERCHANGEABLE
Tire,pneumatic,aircraft
Textron Aviation Inc
6810-00-209-1344 INTERCHANGEABLE
Potassium Phosphate,monobasic
5310-00-281-9763247117 INTERCHANGEABLE
Nut,plain,hexagon
Cae Usa Inc.
6350-00-284-13143441WB48VDC INTERCHANGEABLE
Bell,electrical
Faraday Llc
4320-00-399-52643246 INTERCHANGEABLE
Ring,rotor Housing
Eaton Aerospace, Llc Dba Jackson South
5815-00-603-66953246 INTERCHANGEABLE
Feed Pawl Assembly
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5950-00-912-9221 INTERCHANGEABLE
Transformer,power
6145-01-035-0190 INTERCHANGEABLE
Cable,special Purpose,electrical
6105-01-082-8960WD-5811 INTERCHANGEABLE
Motor,direct Current
Breeze-Eastern Llc
5999-01-189-52443246 INTERCHANGEABLE
Contact,electrical
Carlisle & Finch Co
Cross-Reference Index
Part NumberManufacturer
TW142 Telectro Systems Corp
3246 PRIMARY Hdt Expeditionary Systems Inc (USA)
247-117 Heico Ohmite Llc Dba Ohmite Mfg Co Inc (USA)
Related Parts
2620-00-142-5359INTERCHANGEABLE
TIRE,PNEUMATIC,AIRCRAFT
3246
6810-00-209-1344INTERCHANGEABLE
POTASSIUM PHOSPHATE,MONOBASIC
5310-00-281-9763INTERCHANGEABLE
NUT,PLAIN,HEXAGON
247117
6350-00-284-1314INTERCHANGEABLE
BELL,ELECTRICAL
3441WB48VDC
4320-00-399-5264INTERCHANGEABLE
RING,ROTOR HOUSING
3246
5815-00-603-6695INTERCHANGEABLE
FEED PAWL ASSEMBLY
3246
5950-00-912-9221INTERCHANGEABLE
TRANSFORMER,POWER
6145-01-035-0190INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
6105-01-082-8960INTERCHANGEABLE
MOTOR,DIRECT CURRENT
WD-5811
5999-01-189-5244INTERCHANGEABLE
CONTACT,ELECTRICAL
3246
5330-01-304-0820INTERCHANGEABLE
SEAL,NONMETALLIC CHANNEL
A3013055-1
4130-01-481-7878INTERCHANGEABLE
COMPRESSOR UNIT,REFRIGERATION

Frequently Asked Questions

What is NSN 5310-00-291-7913?

NSN 5310-00-291-7913 is a Washer,flat, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-291-7913?

NSN 5310-00-291-7913 has 3 cross-referenced part numbers: TW142 (Telectro Systems Corp), 3246 (Hdt Expeditionary Systems Inc), 247-117 (Heico Ohmite Llc Dba Ohmite Mfg Co Inc).

What NSN replaces 5310-00-291-7913?

There are 12 known substitutes for 5310-00-291-7913: 2620-00-142-5359, 6810-00-209-1344, 5310-00-281-9763 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3246?

Key specifications for 3246: Center Hole Shape Style: ROUND; Material: RUBBER SYNTHETIC OVERALL; Hole Diameter: 0.250 INCHES NOMINAL IN; Peripheral Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-291-7913 still in active supply?

NSN 5310-00-291-7913 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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