The Skid,delrin,plastic, cataloged under National Stock Number 3990-01-178-4645, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
6.500 IN. X 6.500 IN. X 0.750 IN. O/A; FOUR 0.406 IN. DIA HOLES CBORE 1.000 IN. DIA 0.500 IN. DEEP IN
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
708-4684958 ITEM 13
5/2Secondary reference
U.S. Government activity
68-10-4049
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 3990 — Miscellaneous Materials Handling Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3990-00-001-4312
ROLLER,MATERIAL HANDLING
3990-00-001-9423
ROLLER,MATERIAL HANDLING
3990-00-003-2244
3990-00-003-2244 · Item name not on file
3990-00-004-7515
3990-00-004-7515 · Item name not on file
3990-00-007-3775
BRAKE,FLOOR,WHEELED EQUIPMENT
3990-00-009-5447
3990-00-009-5447 · Item name not on file
3990-00-012-4033
3990-00-012-4033 · Item name not on file
3990-00-013-7540
3990-00-013-7540 · Item name not on file
Frequently Asked Questions
What is NSN 3990-01-178-4645?
NSN 3990-01-178-4645 is a Skid,delrin,plastic, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
What are the specifications of 3990-01-178-4645?
Key specifications for 3990-01-178-4645: General Characteristics Item Description: 6.500 IN. X 6.500 IN. X 0.750 IN. O/A; FOUR 0.406 IN. DIA HOLES CBORE 1.000 IN. DIA 0.500 IN. DEEP IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 3990-01-178-4645 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.