# NSN 1560-01-645-4131: Rib, Stiffener, Aircraft

NSN 1560-01-645-4131 (also written 1560016454131; NIIN 01-645-4131) is a rib, stiffener, aircraft in Federal Supply Class 1560, Airframe Structural Components. 14 manufacturer part numbers from 14 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 1560-01-645-4131 (1560016454131)
- NIIN: 01-645-4131 (016454131)
- Item name: RIB,STIFFENER,AIRCRAFT
- Federal Supply Class: [FSC 1560 Airframe Structural Components](https://nsnexplorer.com/fsc/1560/)
- Federal Supply Group: [FSG 15](https://nsnexplorer.com/group/15/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | B-52 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | RIB,STIFFENER,AIRCRAFT |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| FEAT | SPECIAL FEATURES | RIB-INBOARD FLAP,STA 377.8 - 419.5 FORWARD ASSEMBLY OF;OPPOSITE DASH 6 |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 |
| CZEK | AIRCRAFT MISSION DESIGN SERIES | B-52 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 25-8837-5 | 06DM5 | INFINITY FABRICATION, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 0BT76 | PRO-FAB, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 0C7H8 | D-J ENGINEERING INC DBA D-J ENGINEERING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 0P657 | CAMNETICS MANUFACTURING CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 14248 | HARLOW AEROSTRUCTURES, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 1P642 | VOLUMATIC INC DBA VOLUMATIC INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 1QJK4 | FMW, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 29183 | G. S. E. DYNAMICS, INC. DBA GSE DYNAMICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 29957 | NORDAM GROUP LLC, THE DIV NORDAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 2V045 | MALONES CNC MACHINING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 32821 | H & R PARTS CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 3L665 | C. E. MACHINE CO., INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 59213 | AERO COMPONENTS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 25-8837-5 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-21 | [SPE4A722D5346/SPE4A726F079X](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1560016454131) | RIB, STIFFENER, AIRCRAFT | H & R PARTS CO INC | $739.88 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1560016454131&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1560016454131
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/1560-01-645-4131/
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