PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-8512-D-51-MValve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-206-9733 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-206-9733 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-206-9733. Primary manufacturer part number: E-8512-D-51-M.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Style: STREAMLINED WITH ONE BRAZING RING ALL ENDS
  • Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN
  • Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN
  • Style Designator: ANGLE
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Second Connection Face to Centerline Distance: 3.625 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-206-9733, 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 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-206-9733
Primary Part NumberE-8512-D-51-M
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Connection StyleSTREAMLINED WITH ONE BRAZING RING ALL ENDS
Nominal Pipe Size Accommodated0.500 INCHES SECOND END IN
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
Style DesignatorANGLE
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Second Connection Face to Centerline Distance3.625 INCHES IN
Valve Size0.500 INCHES IN
Criticality Code JustificationZZZY
Flow Control DeviceDISK
Material Document and ClassificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 922 OVERALL
First Connection Face to Centerline Distance3.563 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8030-00-058-539885-12 INTERCHANGEABLE
Sealing Compound
Barth Industries Co L P
5995-00-136-15978512 INTERCHANGEABLE
Cable Assembly,radio Frequency
Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems
3455-00-187-2572101002 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
5305-00-229-27118512 INTERCHANGEABLE
Screw,tapping
Pakon Inc Dba Impak Division
4820-00-468-09214234 INTERCHANGEABLE
Body,valve
Smith Meter Inc Parts Opn
5133-00-618-4774 INTERCHANGEABLE
Drill,masonry,rotary Driven
4820-00-835-1252 INTERCHANGEABLE
Valve,safety Relief
4920-00-888-41628-5-1-2 INTERCHANGEABLE
Adapter,test
Celtech Corporation Div Use CAGE 65552 for All Orders
5940-00-959-3139 INTERCHANGEABLE
Terminal,lug
4820-01-201-2793A6790.008.132 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
E-8512-D-51-M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8512 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
8030-00-058-5398INTERCHANGEABLE
SEALING COMPOUND
85-12
5995-00-136-1597INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
8512
3455-00-187-2572INTERCHANGEABLE
FILE,ROTARY
101002
5305-00-229-2711INTERCHANGEABLE
SCREW,TAPPING
8512
4820-00-468-0921INTERCHANGEABLE
BODY,VALVE
4234
5133-00-618-4774INTERCHANGEABLE
DRILL,MASONRY,ROTARY DRIVEN
4820-00-835-1252INTERCHANGEABLE
VALVE,SAFETY RELIEF
4920-00-888-4162INTERCHANGEABLE
ADAPTER,TEST
8-5-1-2
5940-00-959-3139INTERCHANGEABLE
TERMINAL,LUG
4820-01-201-2793INTERCHANGEABLE
STEM,FLUID VALVE
A6790.008.132
7025-01-205-6535INTERCHANGEABLE
MULTIPLEXER,DIGITAL
6635-01-225-6453INTERCHANGEABLE
PROCESSING MACHINE,RADIOGRAPHIC
604579

Frequently Asked Questions

What is NSN 4820-01-206-9733?

NSN 4820-01-206-9733 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 4820-01-206-9733?

NSN 4820-01-206-9733 has 2 cross-referenced part numbers: E-8512-D-51-M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8512 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-206-9733?

There are 12 known substitutes for 4820-01-206-9733: 8030-00-058-5398, 5995-00-136-1597, 3455-00-187-2572 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E-8512-D-51-M?

Key specifications for E-8512-D-51-M: Connection Style: STREAMLINED WITH ONE BRAZING RING ALL ENDS; Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Style Designator: ANGLE. 13 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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