NSN 4820-01-643-1804 · NIIN 016431804 · Part number 406042
Johnson Crushers International, Inc. Dba J C I · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3GZL4
Government record, cited
NSN 4820-01-643-1804 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-643-1804. Manufacturer of record part number: 406042.
Also searched as4820-01-643-1804 ·
4820016431804 ·
NIIN 016431804 ·
01-643-1804 ·
FSC 4820 Valves, Nonpowered · CAGE 3GZL4 · 406042
Manufacturer of record: Johnson Crushers International, Inc. Dba J C I
Identification
NSN: 4820-01-643-1804
NIIN: 016431804
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 406042
Manufacturer: Johnson Crushers International, Inc. Dba J C I
General Description
The Cone,machined, cataloged under National Stock Number 4820-01-643-1804, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Johnson Crushers International, Inc. Dba J C I. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-643-1804
Primary Part Number
406042
Item Name
Cone,machined
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Johnson Crushers International, Inc. Dba J C I
Status
ACTIVE
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
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-654-7368406042POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
6150-01-708-9757406042-01POSSIBLE MATCH
CABLE ASSEMBLY,POWER,ELECTRICAL,
Possible match (shared part number)Cgi Federal Inc. Dba Cgi
Johnson Crushers International, Inc. Dba J C I (USA)
Related Parts
3040-01-654-7368POSSIBLE MATCH
CONNECTING LINK,RIGID
406042
6150-01-708-9757POSSIBLE MATCH
CABLE ASSEMBLY,POWER,ELECTRICAL,
406042-01
Frequently Asked Questions
What is NSN 4820-01-643-1804?
NSN 4820-01-643-1804 is a Cone,machined, manufactured by Johnson Crushers International, Inc. Dba J C I, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-643-1804?
NSN 4820-01-643-1804 has 1 manufacturer part number on file: 406042 (Johnson Crushers International, Inc. Dba J C I).
What NSN replaces 4820-01-643-1804?
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-654-7368, 6150-01-708-9757. Verify interchangeability with system specifications before substitution.
What are the specifications of 406042?
Key specifications for 406042: End Item Identification: ROCK CRUSHER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-643-1804 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.