PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-2110236GPC4 2.00IPSRetainer,cover,valve

National Oilwell · NSN 4820-01-058-2364 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-058-2364 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-058-2364. Primary manufacturer part number: 845-2110236GPC4 2.00IPS.
Features
  • Retainer,cover,valve — FSC 4820
  • General Characteristics Item Description: ALUMINUM BRONZE,MIL-B-21230; 4.875 IN. OD; 2.625 IN. ID; 1.375 IN. H; 4-1/4-8NS-2 THD SIZE; 0.625 IN. THD LG; W/4 EQUALLY SPACED NOTCHES 0.375 IN. W AND 0.125 IN. DEEP; BODY THK 0.312 IN. IN
  • 6 verified cross-references
  • Primary manufacturer: National Oilwell
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Retainer,cover,valve, cataloged under National Stock Number 4820-01-058-2364, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is National Oilwell. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-058-2364
Primary Part Number845-2110236GPC4 2.00IPS
Item NameRetainer,cover,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNational Oilwell
StatusACTIVE
General Characteristics Item DescriptionALUMINUM BRONZE,MIL-B-21230; 4.875 IN. OD; 2.625 IN. ID; 1.375 IN. H; 4-1/4-8NS-2 THD SIZE; 0.625 IN. THD LG; W/4 EQUALLY SPACED NOTCHES 0.375 IN. W AND 0.125 IN. DEEP; BODY THK 0.312 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-058-4351 INTERCHANGEABLE
Cover,valve
4820-01-099-607990039 INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-131-59082620-927X2 ASSEMBLY 6GA INTERCHANGEABLE
Valve,check
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-273-36982620-927X2 ITEM 26 INTERCHANGEABLE
Clapper Assembly,valve
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
845-2110236GPC4 2.00IPS National Oilwell (USA)
SS845-2110236 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
2620-927X2PC4 2IN Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-927X2PC4 2IN National Oilwell (USA)
845-2110236GPC4 2.00IPS Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
SS845-2110236 National Oilwell (USA)
Related Parts
4820-01-058-4351INTERCHANGEABLE
COVER,VALVE
4820-01-099-6079INTERCHANGEABLE
VALVE,CHECK
90039
4820-01-131-5908INTERCHANGEABLE
VALVE,CHECK
2620-927X2 ASSEMBLY 6GA
4820-01-273-3698INTERCHANGEABLE
CLAPPER ASSEMBLY,VALVE
2620-927X2 ITEM 26

Frequently Asked Questions

What is NSN 4820-01-058-2364?

NSN 4820-01-058-2364 is a Retainer,cover,valve, manufactured by National Oilwell, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-058-2364?

NSN 4820-01-058-2364 has 6 cross-referenced part numbers: 845-2110236GPC4 2.00IPS (National Oilwell), SS845-2110236 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2620-927X2PC4 2IN (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-927X2PC4 2IN (National Oilwell), 845-2110236GPC4 2.00IPS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 1 more.

What NSN replaces 4820-01-058-2364?

There are 4 known substitutes for 4820-01-058-2364: 4820-01-058-4351, 4820-01-099-6079, 4820-01-131-5908 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-2110236GPC4 2.00IPS?

Key specifications for 845-2110236GPC4 2.00IPS: General Characteristics Item Description: ALUMINUM BRONZE,MIL-B-21230; 4.875 IN. OD; 2.625 IN. ID; 1.375 IN. H; 4-1/4-8NS-2 THD SIZE; 0.625 IN. THD LG; W/4 EQUALLY SPACED NOTCHES 0.375 IN. W AND 0.125 IN. DEEP; BODY THK 0.312 IN. IN. 1 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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