NSN 4820-01-302-9044 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-302-9044. Manufacturer of record part number: 142-10001.
The Diaphragm Plate, cataloged under National Stock Number 4820-01-302-9044, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grove Valve Operations. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
4820-01-302-9044
Primary Part Number
142-10001
Item Name
Diaphragm Plate
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Grove Valve Operations
Status
ACTIVE
General Characteristics Item Description
CRES
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-514-4229142-1001POSSIBLE MATCH
PLATE,MOUNTING
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
6150-01-592-90141421001POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Porter Manufacturing, L.l.c. Dba Porter Manufacturing Corp
4930-01-714-3506142100-01POSSIBLE MATCH
PUMP,LUBRICANT TRANSFER
Possible match (shared part number)Great Plains Industries Inc
NSN 4820-01-302-9044 is a Diaphragm Plate, manufactured by Grove Valve Operations, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-302-9044?
NSN 4820-01-302-9044 has 1 manufacturer part number on file: 142-10001 (Grove Valve Operations).
What NSN replaces 4820-01-302-9044?
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-514-4229, 6150-01-592-9014, 4930-01-714-3506. Verify interchangeability with system specifications before substitution.
What are the specifications of 142-10001?
Key specifications for 142-10001: General Characteristics Item Description: CRES. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-302-9044 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.