NSN 2590-01-678-0771 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-678-0771. Manufacturer of record part number: 12606310.
The Block, cataloged under National Stock Number 2590-01-678-0771, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
C/1Advisory reference — outside the item-of-supply concept
U S Army Tank Automotive Command Amsta-Im-Mm
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 2590-01-678-0771?
NSN 2590-01-678-0771 is a Block, manufactured by Oshkosh Defense Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
What part numbers are listed for NSN 2590-01-678-0771?
NSN 2590-01-678-0771 has 1 manufacturer part number on file: 12606310 (Oshkosh Defense Llc).
What are the specifications of 12606310?
Key specifications for 12606310: Overall Length: 180.0 MILLIMETERS NOMINAL MM; Overall Width: 25.4 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: GUIDE BLOCK, COTM; End Item Identification: 016525218. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2590-01-678-0771 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.