26Q7311_SOLE SOURCE.pdf

Ref: TRFBINST 4491.1A

TRFB 4491/3 (Rev. MAR-2026) Page 1 of 1PREVIOUS EDITIONS ARE OBSOLETE

CUI (When filled in)

CUI (When filled in)

JUSTIFICATION FOR SOLE SOURCE ($15,000 TO $350,000)

Reference: FAR 13.106-1(b)

The service or material listed on is the sole source and competition must be restricted to one source, or only one brand name for reasons indicated below. There are no substitutes available for this material.

Restricted to the following source or brand name. Provide the original manufacturer's name.

Note: If a sole source manufacturer distributes via dealers, also provide dealer information.

Document Number S73067H1058-63

Manufacturer Brunson Instrument Co.

Manufacturer POC Name Brunson Instrument Co. Phone Number 877-632-7873

Manufacturer Address 8000 E. 23rd Street Kansas City, MO 64129

Manufacturer's Dealer/Rep. Brunson Instrument Co.

Dealer/Rep.'s Address 8000 E. 23rd Street Kansas City, MO 64129

Phone Number 877-632-7873

1) Description of the item or service required 4" Magnetic Mirror,Right Angle Eyepiece for Auto collimation & Reticle Projection, See-Thru Target, Spherical Fit Adapter, 2-1/2" Magnetic Mirror, used to optically align masts (vertical optical alignment)

2) Estimated cost 3) Required delivery date

Specific characteristics of the material or service that limit the availability to a sole source or particular brand name (unique features, function, of the item, etc.).

Describe in detail why only this suggested source can furnish the requirements to the exclusion or other sources:

Brunson optical tooling is the entity in which our mechanics are trained by and they also provide the precision optical instruments, scales and targets, stands, instrument positioning components, and specialized accessories required for our jobs.

The requested material or service represents the minimum requirements of the government.

NoYes

Check & Fill in all Applicable Blanks Below

The material/service must be compatible in all aspects (form, fit, and function) with the existing systems presently installed. Describe the equipment you have now and how the new item/service must coordinate, connect, or interfere with the existing system:

The equipment we use is loaned from PSNS, having our own set allows us to do required work more efficiently.

Yes No

A patent, copyright, or proprietary data limits competition. The proprietary data is:

Yes No

These are "direct replacements" parts/components for existing brand name equipment.

Yes No

Other information to support a sole-source buy:

Optical alignment requires this equipment without it we cant optically align masts on Submarines.Yes No

I certify that statements checked, and information provided about, are complete and correct to the best of my knowledge and do not contain classified information. I understand the processing of this sole-source justification precludes the use of full and open competition.

Title Instrument Mechanic (Helper)

Activity Signature and Date

Contracting Officer

Signature and Date DLA Weapons Support Puget Sound

Controlled By DLA Weapons Support Controlled By 730/67H CUI Category PROCURE/SSEL Limited Distribution Control FED ONLY POC Ian Hovey 360-315-1231

Ref: TRFBINST 4491.1A TRFB 4491/3 (Rev. MAR-2026) Page of

PREVIOUS EDITIONS ARE OBSOLETE

CUI (When filled in) CUI (When filled in)

JUSTIFICATION FOR SOLE SOURCE ($15,000 TO $350,000)

Reference: FAR 13.106-1(b) The service or material listed on is the sole source and competition must be restricted to one source, or only one brand name for reasons indicated below. There are no substitutes available for this material.

Restricted to the following source or brand name. Provide the original manufacturer's name.

Note: If a sole source manufacturer distributes via dealers, also provide dealer information.

The requested material or service represents the minimum requirements of the government.

Check & Fill in all Applicable Blanks Below These are "direct replacements" parts/components for existing brand name equipment.

I certify that statements checked, and information provided about, are complete and correct to the best of my knowledge and do not contain classified information. I understand the processing of this sole-source justification precludes the use of full and open competition.

Contracting Officer DLA Weapons Support Puget Sound 6.4.0.20180228.1.932123.929382