# DIBBS #SPE4A6-26-Q-1500

Solicitation for Navy Critical Safety Aircraft Rib Stiffener (NSN 1560-01-694-1850)

**Posted:** September 28, 2026
**Respond By:** October 05, 2026
**Identifier:** SPE4A6-26-Q-1500
**NAICS:** 336413

DLA Aviation is seeking bids for a Navy Critical Safety Item: Rib, Stiffener, Aircraft (NSN 1560-01-694-1850).
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, ASC Commodities Division, Richmond, VA
- OEMs and Vendors:
  - Northrop Grumman Systems Corporation
  - Cherokee Nation Aerospace & Defense LLC
- Products Requested:
  - Rib, Stiffener, Aircraft
    - NSN: 1560-01-694-1850
    - Part Number: 123CS11953-516
    - Quantity: 6 units
- Unique/Notable Requirements:
  - Item is a Navy Critical Safety Item (CSI) and source controlled
  - Must be manufactured and tested per limited rights technical data
  - Only approved sources (Northrop Grumman, Cherokee Nation Aerospace & Defense) are eligible
  - Heightened quality assurance required
  - Marking per MIL-STD-129 and packaging per MIL-STD-2073-1E
  - Delivery required within 282 days after order
  - One-year warranty from date of last delivery

### Description

RIB, STIFFENER, AIRCRAFT (QTY: 6, NSN: 1560-01-694-1850, Purchase Request: 7014488705)
  Approved Sources:
  - CAGE: 79RG9, Part No: 123CS11953-516, Company: NORTHROP GRUMMAN SYSTEMS CORPORATIO
  - CAGE: 82ML8, Part No: 123CS11953-516, Company: CHEROKEE NATION AEROSPACE & DEFENSE
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626Q1500)