Material Document and Classification: ASTM D4020 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ALL MATERIAL RESPONSES
Mounting Hole Diameter: 0.221 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
Material: PLASTIC, POLYETHYLENE (PP)
Mounting Hole Type: COUNTERSUNK
Identification
NSN: 2590-01-666-1745
NIIN: 016661745
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
General Description
The Spacer,plate, cataloged under National Stock Number 2590-01-666-1745, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
2590-01-666-1745
Item Name
Spacer,plate
FSC / FSG
2590 / 25 — Miscellaneous Vehicular Components
Status
ACTIVE
Mounting Method
RIVETED
Overall Thickness
0.500 INCHES NOMINAL IN
Material Document and Classification
ASTM D4020 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ALL MATERIAL RESPONSES
Mounting Hole Diameter
0.221 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
Material
PLASTIC, POLYETHYLENE (PP)
Mounting Hole Type
COUNTERSUNK
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
17-3-4053
3/2Design control — primary reference
U.S. Government activity
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 2590-01-666-1745?
NSN 2590-01-666-1745 is a Spacer,plate, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
What are the specifications of 2590-01-666-1745?
Key specifications for 2590-01-666-1745: Mounting Method: RIVETED; Overall Thickness: 0.500 INCHES NOMINAL IN; Material Document and Classification: ASTM D4020 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ALL MATERIAL RESPONSES; Mounting Hole Diameter: 0.221 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 2590-01-666-1745 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.