NSN 1560-01-646-6956 — this item is cataloged by the U.S. Government under National Stock Number 1560-01-646-6956. Manufacturer of record part number: 25-8841-4.
Manufacturer of record: Infinity Fabrication, Inc.
Identification
NSN: 1560-01-646-6956
NIIN: 016466956
FSC: 1560 — Airframe Structural Components
FSG: 15 — Aircraft and Airframe Components
Primary part number: 25-8841-4
Manufacturer: Infinity Fabrication, Inc.
General Description
The Rib,stiffener,aircraft, cataloged under National Stock Number 1560-01-646-6956, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Infinity Fabrication, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1560-01-646-6956
Primary Part Number
25-8841-4
Item Name
Rib,stiffener,aircraft
FSC / FSG
1560 / 15 — Airframe Structural Components
Manufacturer
Infinity Fabrication, Inc.
Status
ACTIVE
Aircraft Location
INBOARD FLAP
Material
ALUMINUM ALLOY 2024
Aircraft Mission Design Series
B-52
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 1560 — Airframe Structural Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1560-00-000-0047
MODIFICATION KIT,AIRFRAME
1560-00-001-1849
GYRO BOX ASSEMBLY
1560-00-001-1850
RADOME
1560-00-001-1851
RADOME
1560-00-001-2368
PLATE,STRUCTURAL,AIRCRAFT
1560-00-001-2478
HINGE,LEADING EDGE
1560-00-001-2479
HINGE,LEADING EDGE
1560-00-001-2480
HINGE,LEADING EDGE
Frequently Asked Questions
What is NSN 1560-01-646-6956?
NSN 1560-01-646-6956 is a Rib,stiffener,aircraft, manufactured by Infinity Fabrication, Inc., classified under FSC 1560, Airframe Structural Components. Status: active.
What part numbers are listed for NSN 1560-01-646-6956?
NSN 1560-01-646-6956 has 3 manufacturer part numbers on file: 25-8841-4 (Infinity Fabrication, Inc.), 25-8841-4 (Malones Cnc Machining Inc), 25-8841-4 (H & R Parts Co Inc).
What are the specifications of 25-8841-4?
Key specifications for 25-8841-4: Aircraft Location: INBOARD FLAP; Part Name Assigned by Controlling Agency: RIB ASSEMBLY; End Item Identification: B-52 AIRCRAFT; Material: ALUMINUM ALLOY 2024. 3 specifications are documented in the U.S. Government catalog.
Is NSN 1560-01-646-6956 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1560-01-646-6956?
NSN 1560-01-646-6956 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.