PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X2790-2Bumper

Hickok Waekon Llc · NSN 5340-00-209-9307 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-209-9307 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-209-9307. Primary manufacturer part number: X2790-2.
Features
  • Bumper — FSC 5340
  • Style Designator: DOUBLE FLANGE
  • Material: RUBBER SYNTHETIC
  • Top Flange Width: 0.119 INCHES NOMINAL IN
  • Outside/top Flange Diameter: 0.438 INCHES NOMINAL IN
  • Bottom Flange Width: 0.250 INCHES NOMINAL IN
  • Bottom Flange Diameter: 0.438 INCHES NOMINAL IN
  • Color: BLACK
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Bumper, cataloged under National Stock Number 5340-00-209-9307, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hickok Waekon Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-209-9307
Primary Part NumberX2790-2
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHickok Waekon Llc
StatusCANCELLED
Style DesignatorDOUBLE FLANGE
MaterialRUBBER SYNTHETIC
Top Flange Width0.119 INCHES NOMINAL IN
Outside/top Flange Diameter0.438 INCHES NOMINAL IN
Bottom Flange Width0.250 INCHES NOMINAL IN
Bottom Flange Diameter0.438 INCHES NOMINAL IN
ColorBLACK
Groove Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5310-00-545-42644731 INTERCHANGEABLE
Washer,lock
Brinkley Technology Group Llc Dba Hercules Manufacturing
5950-00-647-36069073000 INTERCHANGEABLE
Saturable Reactor
Us Army Aviation and Missile Command
5930-00-975-79564731 INTERCHANGEABLE
Switch,electrical
Hoyt Corporation
3040-01-050-9856 INTERCHANGEABLE
Shaft,shouldered
5945-01-078-6456 INTERCHANGEABLE
Relay,reed
5895-01-165-74364731 INTERCHANGEABLE
Converter-Oscillator
Video Display Corporation
4820-01-305-56444731 INTERCHANGEABLE
Valve,globe
Ellis Mfg Co Inc
6625-01-514-98054731 INTERCHANGEABLE
Wattmeter
Boonton Electronics Corporation Div Boonton Electronics
2020-01-641-85534731 INTERCHANGEABLE
Flotation Drogue Bag
Stubbies Upholstery & Canvas, Inc
Cross-Reference Index
Part NumberManufacturer
4731 Continental Rubber Works (USA)
R2084 Continental Rubber Works (USA)
X2790-2 PRIMARY Hickok Waekon Llc (USA)
Related Parts
5310-00-545-4264INTERCHANGEABLE
WASHER,LOCK
4731
5950-00-647-3606INTERCHANGEABLE
SATURABLE REACTOR
9073000
5930-00-975-7956INTERCHANGEABLE
SWITCH,ELECTRICAL
4731
3040-01-050-9856INTERCHANGEABLE
SHAFT,SHOULDERED
5945-01-078-6456INTERCHANGEABLE
RELAY,REED
5895-01-165-7436INTERCHANGEABLE
CONVERTER-OSCILLATOR
4731
4820-01-305-5644INTERCHANGEABLE
VALVE,GLOBE
4731
6625-01-514-9805INTERCHANGEABLE
WATTMETER
4731
2020-01-641-8553INTERCHANGEABLE
FLOTATION DROGUE BAG
4731

Frequently Asked Questions

What is NSN 5340-00-209-9307?

NSN 5340-00-209-9307 is a Bumper, manufactured by Hickok Waekon Llc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-209-9307?

NSN 5340-00-209-9307 has 3 cross-referenced part numbers: 4731 (Continental Rubber Works), R2084 (Continental Rubber Works), X2790-2 (Hickok Waekon Llc).

What NSN replaces 5340-00-209-9307?

There are 9 known substitutes for 5340-00-209-9307: 5310-00-545-4264, 5950-00-647-3606, 5930-00-975-7956 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X2790-2?

Key specifications for X2790-2: Style Designator: DOUBLE FLANGE; Material: RUBBER SYNTHETIC; Top Flange Width: 0.119 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.438 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-209-9307 still in active supply?

NSN 5340-00-209-9307 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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