PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30046Valve,check

Crane Co Div Valve Div · NSN 4820-01-170-0031 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-170-0031 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-170-0031. Primary manufacturer part number: 30046.
Features
  • Valve,check — FSC 4820
  • Operating Pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL BODY
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Valve Size: 1.000 INCHES IN
  • Material Document and Classification: ASTMSTA000 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Flow Control Device: DISK
  • Disk Loading Method: WEIGHT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-170-0031, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-170-0031
Primary Part Number30046
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusACTIVE
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL BODY
Mounting PositionHORIZONTAL OR VERTICAL
Valve Size1.000 INCHES IN
Material Document and ClassificationASTMSTA000 ASSN STD SINGLE MATERIAL RESPONSE BODY
Flow Control DeviceDISK
Disk Loading MethodWEIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-142-435153176 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6145-00-191-8405 INTERCHANGEABLE
Braid,wire
1650-00-420-948630046 INTERCHANGEABLE
Disk,valve
Eaton Aerospace Llc
5120-00-595-822330046 INTERCHANGEABLE
Caulking Tool,hand
Mephisto Tool Co Inc
5360-00-977-0780235729 INTERCHANGEABLE
Spring,helical,compression
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6695-01-365-767330-046 INTERCHANGEABLE
Transducer,motional Pickup
Airmar Technology Inc
4820-01-506-905330046 INTERCHANGEABLE
Disk,valve
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
5940-01-697-766030-046-108 INTERCHANGEABLE
Terminal,lug
Bell Textron Inc
5940-01-697-766330-046-118 INTERCHANGEABLE
Terminal,lug
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
MIL-V-18436 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-18436 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
30046 PRIMARY Crane Co Div Valve Div (USA)
Related Parts
3110-00-142-4351INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
53176
6145-00-191-8405INTERCHANGEABLE
BRAID,WIRE
1650-00-420-9486INTERCHANGEABLE
DISK,VALVE
30046
5120-00-595-8223INTERCHANGEABLE
CAULKING TOOL,HAND
30046
5360-00-977-0780INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
235729
6695-01-365-7673INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
30-046
4820-01-506-9053INTERCHANGEABLE
DISK,VALVE
30046
5940-01-697-7660INTERCHANGEABLE
TERMINAL,LUG
30-046-108
5940-01-697-7663INTERCHANGEABLE
TERMINAL,LUG
30-046-118

Frequently Asked Questions

What is NSN 4820-01-170-0031?

NSN 4820-01-170-0031 is a Valve,check, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-170-0031?

NSN 4820-01-170-0031 has 3 cross-referenced part numbers: MIL-V-18436 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-18436 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 30046 (Crane Co Div Valve Div).

What NSN replaces 4820-01-170-0031?

There are 9 known substitutes for 4820-01-170-0031: 3110-00-142-4351, 6145-00-191-8405, 1650-00-420-9486 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30046?

Key specifications for 30046: Operating Pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL BODY; Mounting Position: HORIZONTAL OR VERTICAL; Valve Size: 1.000 INCHES IN. 7 total characteristics are documented in the Federal Logistics Information System.

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