# DIBBS #SPE7L3-27-T-1252

DLA procurement of 858 preformed back-up rings

**Posted:** October 23, 2026
**Respond By:** November 02, 2026
**Identifier:** SPE7L3-27-T-1252
**NAICS:** 339991

DLA Weapons Support is seeking 858 preformed back-up rings for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Land Supplier Operations Vehicle Support; buyer contact: Susan Diamond.
- **Product requested:** 858 back-up rings, preformed packing retainers, NSN 5330-00-005-0572.
- **OEMs and approved-source part numbers:**
  - **PARKER-HANNIFIN CORP:** 0773912224 and N0300 8-224.
  - **MAROTTA CONTROLS INC:** 4460860-0224.
  - **GROVE U.S. LLC:** 7755224609.
  - **OSHKOSH DEFENSE LLC:** 9HE953.
  - **SOCIETE TECHNIQUE ARMORICAINE DE F:** N8-45.01X51.01X1.
- **Notable requirements:** Items must be asbestos-free and have a 120-month, non-extendable shelf life. Package and seal each item in an opaque, waterproof, greaseproof medium-duty bag meeting MIL-DTL-117, Type II, Class C, Style 1, to protect against UV exposure.
- **Delivery:** Required 168 days after order.

### Description

BACK-UP RING, PREFORMED (QTY: 858, NSN: 5330-00-005-0572, Purchase Request: 7018832478)
  Approved Sources:
  - CAGE: 02697, Part No: N0300 8-224, Company: PARKER-HANNIFIN CORP
  - CAGE: 12361, Part No: 7755224609, Company: GROVE U.S. LLC
  - CAGE: 26337, Part No: 0773912224
  - CAGE: 75Q65, Part No: 9HE953, Company: OSHKOSH DEFENSE LLC
  - CAGE: 99657, Part No: 4460860-0224, Company: MAROTTA CONTROLS INC
  - CAGE: F8226, Part No: N8-45.01X51.01X1
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L327T1252)