# Vacuum Chamber Slit and Hardware

Canonical: https://abierto.us/opportunities/6b139q0041000

- Solicitation number: 6-B139-Q-00410-00
- Notice type: Solicitation
- Status: Closed. Deadline was August 24, 2026 at 1:00 PM EDT
- Department: Department of Energy
- Contracting office: Argonne Natl Lab - DOE Contractor (899031)
- NAICS: 334516 Analytical Laboratory Instrument Manufacturing
- Product or service code: 6640 Laboratory Equipment and Supplies
- Place of performance: Lemont, Illinois
- First posted: August 19, 2026
- Last posted: August 19, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/8c64abbcbc8f4694bc082840f5b069b7/view

## Description

Looking for a domestic source. This means that the country of origin is USA. Not just manufacturing but also raw materials must be from the USA. Vacuum Chamber Slit - 1 Each - Technical Specs below Cables between customers feedthrough and controller (10 meters) Technical Specifications Aperture size:

**Maximum:** 7 mm x 7 mm;

**Minimum:** Full overlap.

**Resolution:**

**Aperture:** 0.813 microns per full step;

**Translation:** 0.322 microns per full step.

**Repeatability:** < 1 micron.

**Accuracy:** ± 3 microns (over 3 mm). VacuumO-ring sealed, high vacuum 10-5 mbar, low outgassing materials. Standard blades:2 mm thick tungsten carbide blades with a 2 degrees knife-edge profile. Limit switches (end-of-travel) Included as standard on all motions.

**Guiding:** High precision internal rails and carriages. Electrical connections: Limit switches coupled to 2 motor connectors (SUB-D 15 pins male).

**Motors:** 2-phase stepping motors; Mechanical dimensions: 145 mm x 145 mm x 80 mm; Mechanical connections: M6-threaded holes on the sides, as shown on the drawing, and KF-40 flange connections are on the body of both sides of the slit;

**Weight:** ? 1.6 kg; Outer surface: Anodized aluminum in color nature; Common options.

**Blades:** Other blade shapes and materials.

**Adaptors:** KF50 or CF40 flange connections. Special preparation for enabling vacuum <10-6 mbar. Internal wiring with Teflon insulation.

## Publications

- August 19, 2026: Solicitation, due August 24, 2026 at 1:00 PM EDT. Notice 8c64abbcbc8f4694bc082840f5b069b7. https://sam.gov/workspace/contract/opp/8c64abbcbc8f4694bc082840f5b069b7/view

## Points of contact

- William Guerrero, wguerrero@anl.gov, 6302523318

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/6b139q0041000.