Rail Spanners

Closed — responses were due 14 Aug 2026 · Small Business Set Aside - Total · Department of the Army, DoD · NAICS 336510 · Solicitation W911S226U3919

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This solicitation has closed — responses were due 14 August 2026.

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Solicitation details

Solicitation numberW911S226U3919
Notice IDff683e1f161b41dda8d030566cb7d76b
AgencyDepartment of Defense (DoD)
Sub-agencyDepartment of the Army
Contracting officeW6QM MICC-FT DRUM
NAICS code336510 — Railroad Rolling Stock Manufacturing
Product / service code (PSC)2240
ResellersCan be bid as a nonmanufacturer: 500 or fewer employees, normally sells this item, takes possession of it, and supplies a product made in the US by a small manufacturer unless SBA has waived that. 13 CFR 121.406(b)
Set-asideSmall Business Set Aside - Total
Notice typeCombined Synopsis/Solicitation
Posted07 August 2026
Response deadline14 August 2026 (closed)

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Description

Minimum 72 inch long x 24 inch wide and no more than 4 inch thick. Minimum weight per single spanner 20,000lbs (40,000lbs per pair/axle) total weight minimum of each spanner is 78lbs EA. Rated capacity shall be no more than 50% of failure strength (at least a 2-to-1 safety factor). Failure strength is determined by the amount of weight that causes permanent deformation of the aluminum. Meaning that an 80,000 axle can be placed on a pair of spanners before any permanent deformation of aluminum appears. Minimum structure tubes 3 inch x3 inch and no more than 4 inch x4 inch. Top surface of spanner will be composed of maximum 2 inch wide high-traction rungs. The rungs shall be spaced no more than 4 inch to allow tiedown chains or straps to be routed between the rungs and over the structural tubes also spacing allows for debris to fall through. Must have reinforced kickplate on one side to rest on flat/ unobstructed surface. Minimum 12 inch heavy duty reinforced stub toe on each end: taper to 2 inch blunt end, knife end not acceptable, Each spanner must be etched with part number and capacity.

Documents in the solicitation package

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  • PIEE Solicitation Module Link for W911S226U3919
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  • Registration Instructions for the PIEE Solicitation Module
  • Department of Defense Procurement Toolbox

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Market context: DoD and NAICS 336510

About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.

  • In fiscal year 2026, DoD obligated $23.7M across 22 contract actions under NAICS 336510.
  • 5 contracts worth $21.8M in this category end within the next 18 months.

DoD contracts under NAICS 336510 →

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