PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20186Valve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-262-1530 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-262-1530 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-262-1530. Primary manufacturer part number: 20186.
Features
  • Valve,safety Relief — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-262-1530, 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 2 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-262-1530
Primary Part Number20186
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3030-00-015-36066836 INTERCHANGEABLE
Belt,v
Gates Corporation
3010-00-316-1984 INTERCHANGEABLE
Universal Joint,nonvehicular
5985-00-466-2404580R037H01 INTERCHANGEABLE
Adapter,waveguide
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4820-01-168-5673 INTERCHANGEABLE
Valve,safety Relief
4820-01-168-5674 INTERCHANGEABLE
Valve,safety Relief
6210-01-170-070020186 INTERCHANGEABLE
Lens,light
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
6110-01-307-636620186 INTERCHANGEABLE
Control,light Source,remote
Science Applications International Corporation
6640-01-421-549420186 INTERCHANGEABLE
Panel,control,clean
L & R Manufacturing Company
8465-01-725-28461187884 INTERCHANGEABLE
Buckle
Safariland, Llc Dba the Safariland Group
Cross-Reference Index
Part NumberManufacturer
20186 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
2018600Y51M SPCLN Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
3030-00-015-3606INTERCHANGEABLE
BELT,V
6836
3010-00-316-1984INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
5985-00-466-2404INTERCHANGEABLE
ADAPTER,WAVEGUIDE
580R037H01
4820-01-168-5673INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-168-5674INTERCHANGEABLE
VALVE,SAFETY RELIEF
6210-01-170-0700INTERCHANGEABLE
LENS,LIGHT
20186
6110-01-307-6366INTERCHANGEABLE
CONTROL,LIGHT SOURCE,REMOTE
20186
6640-01-421-5494INTERCHANGEABLE
PANEL,CONTROL,CLEAN
20186
8465-01-725-2846INTERCHANGEABLE
BUCKLE
1187884

Frequently Asked Questions

What is NSN 4820-01-262-1530?

NSN 4820-01-262-1530 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 4820-01-262-1530?

NSN 4820-01-262-1530 has 2 cross-referenced part numbers: 20186 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 2018600Y51M SPCLN (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-262-1530?

There are 9 known substitutes for 4820-01-262-1530: 3030-00-015-3606, 3010-00-316-1984, 5985-00-466-2404 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20186?

Key specifications for 20186: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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