The Rib,stiffener,aircraft, cataloged under National Stock Number 1560-01-591-6262, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-591-6262 |
| Primary Part Number | 1128WM44063-12 |
| Item Name | Rib,stiffener,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1128WM44063-12 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1128WM44063-12 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| 1128WM44063-12 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1128WM44063 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 1560-01-591-6262 is a Rib,stiffener,aircraft, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-591-6262 has 2 manufacturer part numbers on file: 1128WM44063-12 (Northrop Grumman Systems Corporation), 1128WM44063-12 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc).
Key specifications for 1128WM44063-12: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: RIB, FLAP TRACK, INBOARD RH; End Item Identification: EA6B AIRCRAFT. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-591-6262 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.