General Characteristics Item Description: IRON MALLEABLE,3.50 IN. LG,2.88IN.W,2.67 IN. H IN
Identification
NSN: 1025-01-026-5260
NIIN: 010265260
FSC: 1025 — Guns, Over 150mm Through 200mm
FSG: 10 — Weapons
General Description
The Coupling, cataloged under National Stock Number 1025-01-026-5260, is classified within Federal Supply Class 1025 (Guns, Over 150mm Through 200mm) of the Weapons group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
1025-01-026-5260
Item Name
Coupling
FSC / FSG
1025 / 10 — Guns, Over 150mm Through 200mm
Status
ACTIVE
General Characteristics Item Description
IRON MALLEABLE,3.50 IN. LG,2.88IN.W,2.67 IN. H IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
6141039
3/9Design control — primary reference
Watertown Arsenal Smiwt-Re
No interchangeability data on file.
Other items in FSC 1025 — Guns, Over 150mm Through 200mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1025-00-000-6505
1025-00-000-6505 · Item name not on file
1025-00-003-1044
1025-00-003-1044 · Item name not on file
1025-00-003-5988
1025-00-003-5988 · Item name not on file
1025-00-003-5989
1025-00-003-5989 · Item name not on file
1025-00-003-5991
1025-00-003-5991 · Item name not on file
1025-00-007-4864
GLAND ASSEMBLY
1025-00-007-9446
1025-00-007-9446 · Item name not on file
1025-00-007-9447
1025-00-007-9447 · Item name not on file
Frequently Asked Questions
What is NSN 1025-01-026-5260?
NSN 1025-01-026-5260 is a Coupling, classified under FSC 1025, Guns, Over 150mm Through 200mm. Status: active.
What are the specifications of 1025-01-026-5260?
Key specifications for 1025-01-026-5260: General Characteristics Item Description: IRON MALLEABLE,3.50 IN. LG,2.88IN.W,2.67 IN. H IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1025-01-026-5260 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1025-01-026-5260?
NSN 1025-01-026-5260 has DEMIL Code D. 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.