PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41127CFitting,test Valve

Griswold Industries Dba Cla-Val Co · NSN 4820-00-908-6807 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-908-6807 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-908-6807. Primary manufacturer part number: 41127C.
Features
  • Fitting,test Valve — FSC 4820
  • General Characteristics Item Description: ALUMINUM,QQ-A-601,ALLOY 356,TEMPER T6,2.810 IN. O/A LG,1-1/2 IN. 11-1/2 NPSH THD SIZE,1.7758 MIN 1.7928 MAX IN. MINOR DIA,0.05648 IN. DEPTH OF THD,1.8323 MIN 1.8408 MAX IN. PITCH DIA,1-1/2 IN. 11-1/2 NPSH THD SIZE,1.8618 MIN 1.8788 MAX IN. MAJOR DIA,0.05648 IN. DEPTH OF THD,1.8138 MIN 1.8223 MAX IN. PITCH DIA,1.380 IN. LARGEST ID,0.756 MIN 0.758 MAX IN. SMALLEST OD,SIX 0.313 IN. DIA CORED HOLES EQUALLY SPACED ON A 1.380 @IN. DIA BOLT CIRCLE,2.500 IN. LARGEST OD EXCLUDING SIX CAST SPANNER LUGS,0.130 IN. H,EQUALLY SPACED 0.250 IN. APART ON LARGEST PERIPHERY IN
  • 2 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Fitting,test Valve, cataloged under National Stock Number 4820-00-908-6807, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-908-6807
Primary Part Number41127C
Item NameFitting,test Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
General Characteristics Item DescriptionALUMINUM,QQ-A-601,ALLOY 356,TEMPER T6,2.810 IN. O/A LG,1-1/2 IN. 11-1/2 NPSH THD SIZE,1.7758 MIN 1.7928 MAX IN. MINOR DIA,0.05648 IN. DEPTH OF THD,1.8323 MIN 1.8408 MAX IN. PITCH DIA,1-1/2 IN. 11-1/2 NPSH THD SIZE,1.8618 MIN 1.8788 MAX IN. MAJOR DIA,0.05648 IN. DEPTH OF THD,1.8138 MIN 1.8223 MAX IN. PITCH DIA,1.380 IN. LARGEST ID,0.756 MIN 0.758 MAX IN. SMALLEST OD,SIX 0.313 IN. DIA CORED HOLES EQUALLY SPACED ON A 1.380 @IN. DIA BOLT CIRCLE,2.500 IN. LARGEST OD EXCLUDING SIX CAST SPANNER LUGS,0.130 IN. H,EQUALLY SPACED 0.250 IN. APART ON LARGEST PERIPHERY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-189-9317 INTERCHANGEABLE
Drill,twist
5815-00-456-7288 INTERCHANGEABLE
Bar,connecting,teletypewriter
5360-00-679-73371739534 INTERCHANGEABLE
Spring,helical,compression
Chrysler Realty Company Llc Dba Daimler Chrysler
5950-00-933-40101790292-501 INTERCHANGEABLE
Transformer,power
L3 Technologies, Inc. Div Communication Systems-East
2910-00-997-9815 INTERCHANGEABLE
Pump,fuel,cam Actuated
3040-01-479-538741127 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
41127 Griswold Industries Dba Cla-Val Co (USA)
41127C PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5133-00-189-9317INTERCHANGEABLE
DRILL,TWIST
5815-00-456-7288INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
5360-00-679-7337INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1739534
5950-00-933-4010INTERCHANGEABLE
TRANSFORMER,POWER
1790292-501
2910-00-997-9815INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
3040-01-479-5387INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
41127

Frequently Asked Questions

What is NSN 4820-00-908-6807?

NSN 4820-00-908-6807 is a Fitting,test Valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-908-6807?

NSN 4820-00-908-6807 has 2 cross-referenced part numbers: 41127 (Griswold Industries Dba Cla-Val Co), 41127C (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-00-908-6807?

There are 6 known substitutes for 4820-00-908-6807: 5133-00-189-9317, 5815-00-456-7288, 5360-00-679-7337 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41127C?

Key specifications for 41127C: General Characteristics Item Description: ALUMINUM,QQ-A-601,ALLOY 356,TEMPER T6,2.810 IN. O/A LG,1-1/2 IN. 11-1/2 NPSH THD SIZE,1.7758 MIN 1.7928 MAX IN. MINOR DIA,0.05648 IN. DEPTH OF THD,1.8323 MIN 1.8408 MAX IN. PITCH DIA,1-1/2 IN. 11-1/2 NPSH THD SIZE,1.8618 MIN 1.8788 MAX IN. MAJOR DIA,0.05648 IN. DEPTH OF THD,1.8138 MIN 1.8223 MAX IN. PITCH DIA,1.380 IN. LARGEST ID,0.756 MIN 0.758 MAX IN. SMALLEST OD,SIX 0.313 IN. DIA CORED HOLES EQUALLY SPACED ON A 1.380 @IN. DIA BOLT CIRCLE,2.500 IN. LARGEST OD EXCLUDING SIX CAST SPANNER LUGS,0.130 IN. H,EQUALLY SPACED 0.250 IN. APART ON LARGEST PERIPHERY 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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