PartsTable TECHNICAL DATA SHEET
NSN 2590-01-568-5374Government record, cited

Cover, Tamper Proof2590-01-568-5374

NSN 2590-01-568-5374 · NIIN 015685374 · Part number 4HD346
Oshkosh Defense Llc · FSC 2590 — Miscellaneous Vehicular Components · FSG 25 — Vehicular Equipment Components · CAGE 75Q65
Government record, cited
NSN 2590-01-568-5374 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-568-5374. Manufacturer of record part number: 4HD346.
Also searched as  2590-01-568-5374 · 2590015685374 · NIIN 015685374 · 01-568-5374 · FSC 2590 Miscellaneous Vehicular Components · CAGE 75Q65 · 4HD346 · 70422-618
Nearby stock numbers  ·
Features
  • Cover,tamper Proof — FSC 2590
  • 1 manufacturer part number on file
  • Manufacturer of record: Oshkosh Defense Llc
Identification
  • NSN: 2590-01-568-5374
  • NIIN: 015685374
  • FSC: 2590 — Miscellaneous Vehicular Components
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: 4HD346
  • Manufacturer: Oshkosh Defense Llc
General Description

The Cover,tamper Proof, cataloged under National Stock Number 2590-01-568-5374, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-568-5374
Primary Part Number4HD346
Item NameCover,tamper Proof
FSC / FSG2590 / 25 — Miscellaneous Vehicular Components
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-568-538110KP866 POSSIBLE MATCH
SETSCREW
Possible match (shared part number)Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
4HD346 PRIMARY Oshkosh Defense Llc (USA)
Reference documents
ReferenceMeaning
4HD346 5/9 Secondary reference
Oshkosh Corp
70422-618 5/9 Secondary reference
U.S. Government activity
Related Parts
5305-01-568-5381POSSIBLE MATCH
SETSCREW
10KP866

Frequently Asked Questions

What is NSN 2590-01-568-5374?

NSN 2590-01-568-5374 is a Cover,tamper Proof, manufactured by Oshkosh Defense Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.

What part numbers are listed for NSN 2590-01-568-5374?

NSN 2590-01-568-5374 has 1 manufacturer part number on file: 4HD346 (Oshkosh Defense Llc).

What NSN replaces 2590-01-568-5374?

1 possible match (shared part number, not a government interchangeability claim): 5305-01-568-5381. Verify interchangeability with system specifications before substitution.

What are the specifications of 4HD346?

Key specifications for 4HD346: Part Name Assigned by Controlling Agency: TAMPER PROOF COVER; End Item Identification: 2320-01-542-7628; TRUCK, CARGO. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2590-01-568-5374 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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