# NATO Support and Procurement Agency #RFP-JMR26164

NSPA solicitation for 100 BACW10BP4P aerospace steel flat washers

**Posted:** October 20, 2026
**Respond By:** October 27, 2026
**Identifier:** RFP-JMR26164
**NAICS:** 332722

NSPA is seeking 100 aerospace-grade steel flat washers for its LW - AWACS purchasing organisation.
- **Buyer:** NATO Support and Procurement Agency (NSPA), purchasing organisation LW - AWACS.
- **Requested item:** 100 steel flat washers, NATO stock number 5310010413590, part number **BACW10BP4P**.
- **Manufacturers named:** **Boeing Defence Australia Ltd**, **The Boeing Company**, and **Anillo Industries Inc.**
- **Technical requirements:** Rectangular cross-section with round outer shape and center hole; hole diameter 0.250–0.261 inches; thickness 0.057–0.069 inches; overall diameter 0.475–0.495 inches; hardness 36–40 Rockwell C.
- **Materials and finish:** Steel composition 4130, 8630, or 4135, with nickel and cadmium surface treatment. Applicable material standards are MIL-S-18729, MIL-S-18728, or MIL-S-18733; the surface-treatment standard is AMS 2416.
- **Quality and delivery requirements:** AQAP 2131, a Certificate of Conformity, material traceability, and evidence of applicable aircraft hardware and fastener standards are required. Delivery is FCA the contractor’s facilities under Incoterms 2020.
- **Selection approach:** Proposals are checked for compliance first, then evaluated by lowest price.

### Description

NSPA is requesting firm fixed-price proposals for the supply of 100 flat washers, stock number 5310010413590. The washers must meet the specified dimensions, hardness, material, and surface-treatment requirements, including applicable quality assurance and certificate-of-conformity requirements. Delivery is FCA the contractor’s facilities under Incoterms 2020, and the offer deadline is 27 October 2026 at 12:00 CET. Proposals will be evaluated first for compliance with the RFP terms and then by lowest price.

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