NSN 2590-00-040-2031 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-040-2031. Manufacturer of record part number: 56554.
The Harness Asy, cataloged under National Stock Number 2590-00-040-2031, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Prestolite Electric Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
56554
5/9Secondary reference
Prestolite Electric Inc
Related Parts
5331-00-904-2669POSSIBLE MATCH
O-RING
56554
5365-01-430-8828POSSIBLE MATCH
SPACER,SPECIAL SHAPED
56554
7021-01-497-9754POSSIBLE MATCH
COMPUTER,DIGITAL
Frequently Asked Questions
What is NSN 2590-00-040-2031?
NSN 2590-00-040-2031 is a Harness Asy, manufactured by Prestolite Electric Inc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
What part numbers are listed for NSN 2590-00-040-2031?
NSN 2590-00-040-2031 has 2 manufacturer part numbers on file: 56554 (Prestolite Electric Inc), 7368594 (U S Army Tank Automotive Command Amsta-Im-Mm).
What NSN replaces 2590-00-040-2031?
3 possible matches (shared part number, not a government interchangeability claim): 5331-00-904-2669, 5365-01-430-8828, 7021-01-497-9754. Verify interchangeability with system specifications before substitution.
Is NSN 2590-00-040-2031 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.