# SAM #W519TC27QA012
M7A1 Self-Lubricating Bearing Material for Rock Island Arsenal
**Buyer:** W6QK ACC-RI
**Posted:** October 07, 2026
**Respond By:** October 20, 2026
**Identifier:** W519TC27QA012
**NAICS:** 332991, 423840, 423510, 423830, 333613
The Army Contracting Command–Rock Island Arsenal is procuring M7A1 self-lubricating bearing material for the Rock Island Arsenal Joint Manufacturing and Technology Center.
- **Government buyer:** Department of the Army, Army Contracting Command–Rock Island Arsenal (ACC-RIA); end user is Rock Island Arsenal Joint Manufacturing and Technology Center (RIA-JMTC). The drawing identifies the U.S. Army Combat Capabilities Development Command Chemical Biological Center.
- **OEMs and named sources:** **The Timken Company** is the recommended source, with part number S0594DU0500-S1. GGB DU strip material is also referenced. Vendor identifiers are for reference; drawing requirements govern.
- **Requested material:** M7A1 self-lubricating bearing material, part number M7A1, in four solicitation line items of 25, 125, 5, and 5 feet (160 feet total). The recommended source part number is S0594DU0500-S1.
- **Technical requirements:** 0.0585–0.0605-inch thickness and at least 5 inches of usable width; steel backing, porous copper-tin bronze inner structure, and a mandatory PTFE/lead bearing surface. No lubrication is required. Equivalent material meeting drawing 1110700278 is acceptable.
- **Length and end use:** Although the purchase description calls for 5-by-96-inch sheets, the Government's Q&A clarifies that 96-inch lengths are not mandatory and standard lengths suitable for processing are acceptable. Material will be used to make three anti-friction washer variants for an FRS system door assembly: 1110700280-1, 1110700280-2, and 1110700280-3. These are referenced drawing items, not separately quantified purchase quantities.
- **Quality and delivery requirements:** Provide a Certificate of Conformance and certified test results. Alternate-source quotes must include a specification sheet. Ship by flatbed with secure pallet or skid banding, separate material by heat number, provide readable labels, and keep each bundle at or below 5,000 pounds.
- **Acquisition context:** The solicitation is a 100% small-business set-aside for a firm-fixed-price supply contract.
### Description
AMD 0001 Narrative:
1. The purpose of this amendment is to upload the correct Attachment 0001 - Drawing 1110700278 and additionally, to post questions and answers associated with this solicitation. Attachment 0003 - Drawing 1110700280 has been attached for Q&A reference.
2. All other terms and conditions remain unchanged.
- End of AMD 0001 Narrative -
Army Contracting Command - Rock Island Arsenal (ACC-RIA) hereby issues solicitation W519TC27QA012 for the procurement of M7A1 Bearing Material. This opportunity is a 100% total small business set-aside.
The solicitation will result in a contract that is firm fixed price, and issued in accordance with RFO FAR Part 12 - Acquisition of Commercial Products and Services. Specificiations shall be in accordance with the Drawing and Purchase Description associated under Solicitation W519TC27QA012.
**COC MUST BE PROVIDED UPON DELIVERY**
[View original listing](https://sam.gov/opp/97f20042dd2e4e1c99243ccf2e0ef277/view)