PartsTable TECHNICAL DATA SHEET

NSN 2590-01-678-0777Government record, cited

Block2590-01-678-0777

NSN 2590-01-678-0777 · NIIN 016780777 · Part number 12606315

Oshkosh Defense Llc · FSC 2590 — Miscellaneous Vehicular Components · FSG 25 — Vehicular Equipment Components · CAGE 75Q65

Government record, cited

NSN 2590-01-678-0777 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-678-0777. Manufacturer of record part number: 12606315.

Also searched as 2590-01-678-0777 · 2590016780777 · NIIN 016780777 · 01-678-0777 · FSC 2590 Miscellaneous Vehicular Components · CAGE 75Q65 · 12606315

Nearby stock numbers ← 2590-01-678-0771 Block · 2590-01-678-0783 Block →

Features

Block — FSC 2590
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 2590-01-678-0777
NIIN: 016780777
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 12606315
Manufacturer: Oshkosh Defense Llc

General Description

The Block, cataloged under National Stock Number 2590-01-678-0777, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	2590-01-678-0777
Primary Part Number	12606315
Item Name	Block
FSC / FSG	2590 / 25 — Miscellaneous Vehicular Components
Manufacturer	Oshkosh Defense Llc
Status	ACTIVE

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

Part Number	Manufacturer
12606315 PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
12606315	C/1 Advisory 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 2590-01-678-0777?

NSN 2590-01-678-0777 is a Block, manufactured by Oshkosh Defense Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.

What part numbers are listed for NSN 2590-01-678-0777?

NSN 2590-01-678-0777 has 1 manufacturer part number on file: 12606315 (Oshkosh Defense Llc).

What are the specifications of 12606315?

Key specifications for 12606315: Overall Length: 215.0 MILLIMETERS NOMINAL MM; Overall Width: 85.6 MILLIMETERS NOMINAL MM; Special Features: DONOT PAINT;MATERIAL ALTERNATIVES ACETAL(SUSTARIN C OR EQUIVALENT) CAST NYLON;; Part Name Assigned by Controlling Agency: GUIDE BLOCK, COTM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2590-01-678-0777 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.

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