PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

145-00612Disk,valve

Name: 145-00612
SKU: 4820-00-393-4279

Grove Valve Operations · NSN 4820-00-393-4279 · FSC 4820 · No Item Name Available

Verified by PartsTable

NSN 4820-00-393-4279 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-393-4279. Primary manufacturer part number: 145-00612.

4820-00-393-4279 — No Item Name Available illustration

Features

Disk,valve — FSC 4820
Shank Diameter: 0.375 INCHES NOMINAL IN
Tip Diameter: 0.250 INCHES NOMINAL IN
Seat Angle: 45.0 DEGREES NOMINAL
Under Flange Height: 1.850 INCHES NOMINAL IN
Material: STEEL
Flange Seat to Disk End Height: 0.364 INCHES NOMINAL IN
Style Designator: POPPET

Applications

Flow control in piping systems
Pressure regulation
Steam and fluid isolation
Applications requiring Steel construction

General Description

The Disk,valve, cataloged under National Stock Number 4820-00-393-4279, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications

Parameter	Value
NSN	4820-00-393-4279
Primary Part Number	145-00612
Item Name	Disk,valve
FSC / FSG	4820 / 48 — No Item Name Available
Manufacturer	Grove Valve Operations
Status	CANCELLED
Shank Diameter	0.375 INCHES NOMINAL IN
Tip Diameter	0.250 INCHES NOMINAL IN
Seat Angle	45.0 DEGREES NOMINAL
Under Flange Height	1.850 INCHES NOMINAL IN
Material	STEEL
Flange Seat to Disk End Height	0.364 INCHES NOMINAL IN
Style Designator	POPPET

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 10

5330-00-211-971326137 INTERCHANGEABLE

Gasket

Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations

5310-00-364-0898 INTERCHANGEABLE

Nut,plain,knurled

5920-00-857-6256947211-1 INTERCHANGEABLE

Absorber,overvoltage

Raytheon Company Dba Raytheon

5305-01-123-051311126 INTERCHANGEABLE

Screw,machine

Sabre Engines Ltd

5950-01-126-2904278-0430-150 INTERCHANGEABLE

Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems

2590-01-287-559922028 INTERCHANGEABLE

Bladder,accumulator,hydraulic

Giant Industries, Inc Div Giant Industries

3020-01-446-3765154-3763 INTERCHANGEABLE

Gear,spur

R R Transmissions Inc

9390-01-593-7245 INTERCHANGEABLE

Nonmetallic Channel

6515-01-593-777302.114.503 INTERCHANGEABLE

Bone Plate

Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma

5120-01-649-7693 INTERCHANGEABLE

Strap,mechanical Puller

Cross-Reference Index

Part Number	Manufacturer
145-00612 PRIMARY	Grove Valve Operations (USA)
22028 PRIMARY	Grove Valve Operations (USA)
145-00607 PRIMARY	Grove Valve Operations (USA)

Related Parts

5330-00-211-9713INTERCHANGEABLE

GASKET

26137

5310-00-364-0898INTERCHANGEABLE

NUT,PLAIN,KNURLED

5920-00-857-6256INTERCHANGEABLE

ABSORBER,OVERVOLTAGE

947211-1

5305-01-123-0513INTERCHANGEABLE

SCREW,MACHINE

11126

5950-01-126-2904INTERCHANGEABLE

TRANSFORMER,RADIO FREQUENCY

278-0430-150

2590-01-287-5599INTERCHANGEABLE

BLADDER,ACCUMULATOR,HYDRAULIC

22028

3020-01-446-3765INTERCHANGEABLE

GEAR,SPUR

154-3763

9390-01-593-7245INTERCHANGEABLE

NONMETALLIC CHANNEL

6515-01-593-7773INTERCHANGEABLE

BONE PLATE

02.114.503

5120-01-649-7693INTERCHANGEABLE

STRAP,MECHANICAL PULLER

Frequently Asked Questions

What is NSN 4820-00-393-4279?

NSN 4820-00-393-4279 is a Disk,valve, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-393-4279?

NSN 4820-00-393-4279 has 3 cross-referenced part numbers: 145-00612 (Grove Valve Operations), 22028 (Grove Valve Operations), 145-00607 (Grove Valve Operations).

What NSN replaces 4820-00-393-4279?

There are 10 known substitutes for 4820-00-393-4279: 5330-00-211-9713, 5310-00-364-0898, 5920-00-857-6256 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 145-00612?

Key specifications for 145-00612: Overall Height: 2.325 INCHES NOMINAL IN; Shank Diameter: 0.375 INCHES NOMINAL IN; Tip Diameter: 0.250 INCHES NOMINAL IN; Seat Angle: 45.0 DEGREES NOMINAL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-393-4279 still in active supply?

NSN 4820-00-393-4279 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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