# DIBBS #SPE4A6-27-T-7184

DLA solicitation for 24 critical-safety lock pins and required testing

**Posted:** October 28, 2026
**Respond By:** November 04, 2026
**Identifier:** SPE4A6-27-T-7184
**NAICS:** 332510

DLA Weapons Support is seeking a critical-safety lock pin and associated testing services.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact named in the attachment: Susan Barlow.
- **Product requested:** 24 lock pins, NSN 5315-01-668-4429. Approved source part numbers are 173964-1 and 175857-1.
- **Named OEMs and approved sources:** Ontic Engineering & Manufacturing, Inc. and Eagle-Picher Industries Inc. are listed for part 173964-1; Northrop Grumman Systems Corporation and United Dynamics, Inc. are listed for part 175857-1.
- **Testing requirements:** One Government First Article Test unit, part number 0001S00000052, and one Production Lot Test, part number S00000062. The first article unit is separate from the 24 production units.
- **Notable requirements:** The item is identified as a critical application item. Technical drawings and quality requirements apply; the production item requires origin inspection and acceptance, with contractor-performed production lot testing.

### Description

GOVERNMENT FIRST ARTIC (QTY: Qty - See Solicitation, NSN: 0001S00000052, Purchase Request: 7017740765)
PRODUCTION LOT TESTING (QTY: Qty - See Solicitation, NSN: 0001S00000062, Purchase Request: 7017740765)
PIN, LOCK (QTY: 24, NSN: 5315-01-668-4429, Purchase Request: 7017740765)
  Approved Sources:
  - CAGE: 0XWR4, Part No: 175857-1, Company: UNITED DYNAMICS, INC
  - CAGE: 26512, Part No: 175857-1, Company: NORTHROP GRUMMAN SYSTEMS CORPORATIO
  - CAGE: 45934, Part No: 173964-1, Company: ONTIC ENGINEERING & MANUFACTURING,
  - CAGE: 72298, Part No: 173964-1
  - CAGE: 79RG9, Part No: 175857-1, Company: NORTHROP GRUMMAN SYSTEMS CORPORATIO
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T7184)