Next Higher Assembly Identification Designator: MK8M0DID
Thread Size: 0.250
Identification
NSN: 2590-01-658-7639
NIIN: 016587639
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
General Description
The Plate,mounting, cataloged under National Stock Number 2590-01-658-7639, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
2590-01-658-7639
Item Name
Plate,mounting
FSC / FSG
2590 / 25 — Miscellaneous Vehicular Components
Status
ACTIVE
Component Quantity
3
Document Type
MILITARY DRAWING
Heat Treatment
H-116 SPECIALLY TREATED
Shape
RECTANGULAR CURVED
Component Document Origin
GOVERNMENT
Next Higher Assembly Identification Designator
MK8M0DID
Thread Size
0.250
Material
ALUMINUM ALLOY 5086
Furnished Items and Quantity
1 PORT CANNISTER MOUNT; 2 LOCKING THREAD INSERTS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
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
7648283-1
3/1Design control — primary reference
Naval Sea Systems Command
No interchangeability data on file.
Other items in FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-001-1252
2590-00-001-1252 · Item name not on file
2590-00-001-1253
2590-00-001-1253 · Item name not on file
2590-00-001-1254
BRACKET,HORN MOUNTING
2590-00-001-3423
2590-00-001-3423 · Item name not on file
2590-00-001-3438
2590-00-001-3438 · Item name not on file
2590-00-001-3439
2590-00-001-3439 · Item name not on file
2590-00-001-3461
2590-00-001-3461 · Item name not on file
2590-00-001-3463
2590-00-001-3463 · Item name not on file
Frequently Asked Questions
What is NSN 2590-01-658-7639?
NSN 2590-01-658-7639 is a Plate,mounting, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
What are the specifications of 2590-01-658-7639?
Key specifications for 2590-01-658-7639: Component Quantity: 3; Document Type: MILITARY DRAWING; Heat Treatment: H-116 SPECIALLY TREATED; Shape: RECTANGULAR CURVED. 9 specifications are documented in the U.S. Government catalog.
Is NSN 2590-01-658-7639 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.
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.