# DIBBS #SPE7L1-27-T-2587

DLA solicitation for 611 tail-rotor-blade dust and moisture seal boots

**Posted:** October 26, 2026
**Respond By:** November 05, 2026
**Identifier:** SPE7L1-27-T-2587
**NAICS:** 336999, 336413

DLA is soliciting 611 source-controlled tail-rotor-blade dust and moisture seal boots for military aircraft.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, Land Supply Chain.
- **Solicitation:** SPE7L1-27-T-2587; NSN 5340-01-108-3681.
- **Requested item:** 611 dust and moisture seal boots across two line items: 10 units and 601 units.
- **Approved-source manufacturers (OEMs):** **Airex Rubber Products Corporation** (P/N 121532) and **Sikorsky Aircraft Corporation** (P/N 70104-11101-102). The notice’s latest version omits these approved-source details, but they are listed in the unchanged attachment.
- **Technical requirements:** Conform to the source-controlled drawing; material A2530-600, MIL-PRF-6855 Class 2 Grade 50; yellow dot marking next to the part marking per SS8798.
- **Delivery and acceptance:** Delivery is required 301 days after order. FOB origin, with origin inspection and acceptance; delivery is directed to DLA distribution locations in Cherry Point, North Carolina, and Tracy, California.

### Description

BOOT, DUST AND MOISTURE (QTY: 611, NSN: 5340011083681, Purchase Request: 7018680165)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L127T2587)