# DIBBS #SPE7L4-27-U-0004

DLA request for 3,429 tail rotor blade dust and moisture seal boots

**Posted:** October 02, 2026
**Respond By:** October 16, 2026
**Identifier:** SPE7L4-27-U-0004
**NAICS:** 336413

DLA Land and Maritime is seeking an estimated 3,429 dust and moisture seal boots for a tail rotor blade.
- **Buyer:** Defense Logistics Agency (DLA), DLA Land and Maritime, LSO Combat Vehicles and Armament; buyer contact listed as Heather Kessler.
- **OEMs and approved sources:** **Airex Rubber Products Corporation** (P/N 121532) and **Sikorsky Aircraft Corporation** (P/N 70104-11101-102).
- **Requested item:** 3,429 each of BOOT, DUST AND MOISTURE SEAL, NSN 5340-01-108-3681. The quantity is an estimated annual requirement, not a firm purchase quantity.
- **Notable requirements:** The boot must conform to source-controlled drawing 78286 70104-11101-102, Revision B, Generation 2, and material specification A2530-600, MIL-PRF-6855 Class 2 Grade 50. Marking must include a yellow dot next to the part marking per SS8798. Shelf life is 180 months and is non-extendable; origin inspection and acceptance apply.
- **Performance period and delivery:** The contemplated contract runs for one year from award, with orders placed during that period. The first delivery is due 118 days after an order.

### Description

BOOT, DUST AND MOISTURE (QTY: 3429, NSN: 5340-01-108-3681, Purchase Request: 1000243604)
  Approved Sources:
  - CAGE: 07058, Part No: 121532, Company: AIREX RUBBER PRODUCTS CORPORATION
  - CAGE: 78286, Part No: 70104-11101-102, Company: SIKORSKY AIRCRAFT CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L427U0004)