PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9351Valve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-130-4323 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-130-4323 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-130-4323. Primary manufacturer part number: 9351.
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: ANGLE FLANGED ENDS
  • Bolt Circle Nominal Diameter: 2.688 INCHES ALL ENDS IN
  • Bolt Hole Nominal Diameter: 0.562 INCHES ALL ENDS IN
  • Second Connection Face to Centerline Distance: 3.000 INCHES IN
  • Connection Type: FLANGE ALL ENDS
  • Valve Operation Method: AUTOMATIC
  • Material: COPPER ALLOY BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-130-4323, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-130-4323
Primary Part Number9351
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Style DesignatorANGLE FLANGED ENDS
Bolt Circle Nominal Diameter2.688 INCHES ALL ENDS IN
Bolt Hole Nominal Diameter0.562 INCHES ALL ENDS IN
Second Connection Face to Centerline Distance3.000 INCHES IN
Connection TypeFLANGE ALL ENDS
Valve Operation MethodAUTOMATIC
MaterialCOPPER ALLOY BODY
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialCOPPER ALLOY SEAT
Bolt Hole Quantity4 FIRST END
Flange ShapeROUND WITH HOLES ALL ENDS
Adjustable Pressure Range+751.0 TO 1100.0 POUNDS PER SQUARE INCH LBS
Flange Face DesignPLAIN ALL ENDS
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Nominal Outside Diameter3.812 INCHES ALL ENDS IN
Nominal Thickness0.688 INCHES ALL ENDS IN
First Connection Face to Centerline Distance3.000 INCHES IN
MaterialSTEEL COMP 316 STEM
Bonnet TypeEXPOSED SPRING
Operating Pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Flow Control DeviceDISK
Valve Size0.750 INCHES IN
Bonnet Attachment MethodBOLTED
Material Document and ClassificationQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5340-00-240-23659351 INTERCHANGEABLE
Latch,rim
Stefanowicz & Lutz Inc Dba Merit Metal Products Corp
6110-00-296-04999351 INTERCHANGEABLE
Regulator,voltage
Centroid, Inc. Dba Centroid Inc
5950-00-861-16782262260 INTERCHANGEABLE
Transformer,pulse
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-00-879-3402351-4IN INTERCHANGEABLE
Valve,globe
Crane Co Div Valve Div
5950-00-914-8897SMC542097 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-01-011-3557 INTERCHANGEABLE
Gasket
6130-01-161-7638 INTERCHANGEABLE
Converter,voltage
5310-01-438-23689351 INTERCHANGEABLE
Nut,plain,hexagon
Cooper Bussmann, Llc Dba Cooper Industries
Cross-Reference Index
Part NumberManufacturer
9351 PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
9351-14C41M 3/4IN PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5340-00-240-2365INTERCHANGEABLE
LATCH,RIM
9351
6110-00-296-0499INTERCHANGEABLE
REGULATOR,VOLTAGE
9351
5950-00-861-1678INTERCHANGEABLE
TRANSFORMER,PULSE
2262260
4820-00-879-3402INTERCHANGEABLE
VALVE,GLOBE
351-4IN
5950-00-914-8897INTERCHANGEABLE
COIL,RADIO FREQUENCY
SMC542097
5330-01-011-3557INTERCHANGEABLE
GASKET
6130-01-161-7638INTERCHANGEABLE
CONVERTER,VOLTAGE
5310-01-438-2368INTERCHANGEABLE
NUT,PLAIN,HEXAGON
9351

Frequently Asked Questions

What is NSN 4820-01-130-4323?

NSN 4820-01-130-4323 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-130-4323?

NSN 4820-01-130-4323 has 2 cross-referenced part numbers: 9351 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9351-14C41M 3/4IN (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-130-4323?

There are 8 known substitutes for 4820-01-130-4323: 5340-00-240-2365, 6110-00-296-0499, 5950-00-861-1678 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9351?

Key specifications for 9351: Style Designator: ANGLE FLANGED ENDS; Bolt Circle Nominal Diameter: 2.688 INCHES ALL ENDS IN; Bolt Hole Nominal Diameter: 0.562 INCHES ALL ENDS IN; Second Connection Face to Centerline Distance: 3.000 INCHES IN. 24 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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