NSN 2590-01-682-6780 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-682-6780. Manufacturer of record part number: 4420389.
Surface Treatment Document and Classification: F-100,+20AND+30 MFR REF SINGLE TREATMENT RESPONSE AND MIL DTL53072 MIL STD SINGLE TREATMENT RESPONSE
Style Designator: RECTANGULAR
Mounting Hole Diameter: 0.53 INCHES MINIMUM AND 0.77 INCHES MAXIMUM IN
Surface Treatment: PRIMER EPOXY AND CARC (CHEMICAL AGENT RESISTANT COATING) AND PAINT
Outside Corner Radius: 0.38 INCHES NOMINAL IN
Material: STEEL
Identification
NSN: 2590-01-682-6780
NIIN: 016826780
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 4420389
Manufacturer: Oshkosh Defense Llc
General Description
The Spacer,plate, cataloged under National Stock Number 2590-01-682-6780, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2590-01-682-6780
Primary Part Number
4420389
Item Name
Spacer,plate
FSC / FSG
2590 / 25 — Miscellaneous Vehicular Components
Manufacturer
Oshkosh Defense Llc
Status
ACTIVE
Mounting Hole Quantity
2
Surface Treatment Document and Classification
F-100,+20AND+30 MFR REF SINGLE TREATMENT RESPONSE AND MIL DTL53072 MIL STD SINGLE TREATMENT RESPONSE
Style Designator
RECTANGULAR
Mounting Hole Diameter
0.53 INCHES MINIMUM AND 0.77 INCHES MAXIMUM IN
Surface Treatment
PRIMER EPOXY AND CARC (CHEMICAL AGENT RESISTANT COATING) AND PAINT
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 2590-01-682-6780?
NSN 2590-01-682-6780 is a Spacer,plate, manufactured by Oshkosh Defense Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
What part numbers are listed for NSN 2590-01-682-6780?
NSN 2590-01-682-6780 has 1 manufacturer part number on file: 4420389 (Oshkosh Defense Llc).
What are the specifications of 4420389?
Key specifications for 4420389: Mounting Hole Quantity: 2; Overall Height: 5.0 INCHES NOMINAL IN; Surface Treatment Document and Classification: F-100,+20AND+30 MFR REF SINGLE TREATMENT RESPONSE AND MIL DTL53072 MIL STD SINGLE TREATMENT RESPONSE; Style Designator: RECTANGULAR. 7 specifications are documented in the U.S. Government catalog.
Is NSN 2590-01-682-6780 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.