# DIBBS #SPE4A6-26-T-31TB

DLA Aviation Solicitation for Retaining Rings (DIN471-40X1,75-A3P, NSN 5325-1218-96025)

**Posted:** September 17, 2026
**Respond By:** September 24, 2026
**Identifier:** SPE4A6-26-T-31TB
**NAICS:** 332999

DLA Aviation, ASC Commodities Division is seeking to procure retaining rings for aircraft maintenance and supply.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, ASC Commodities Division
  - Buyer contact: Monica Clark
- Products Requested:
  - Retaining Ring
    - National Stock Number (NSN): 5325-1218-96025
    - Part Number: DIN471-40X1,75-A3P
    - Quantity: 63 units
    - Description: Retaining ring conforming to DIN471-40X1,75-A3P standard
- Technical and Packaging Requirements:
  - Must comply with ASTM D3951 and MIL-STD-129 packaging standards
  - Inspection and acceptance at origin
  - Compliance with Berry Amendment and Buy American Act (domestic sourcing required)
- OEMs and Vendors:
  - No specific OEMs or vendors are named; item is defined by DIN standard
- Unique Requirements:
  - Strict quality, packaging, and domestic sourcing requirements
  - Technical documentation available for reference
- Delivery:
  - Required delivery lead time is 235 days from contract award
  - Delivery date specified, no option years or subscription periods

### Description

RING, RETAINING (QTY: 63, NSN: 5325-12-189-6025, Purchase Request: 7018377731)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T31TB)