Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4820-01-159-7777 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-159-7777 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-159-7777. Primary manufacturer part number: 26M77-100 ITEM 31.
4820-01-159-7777 — No Item Name Available illustration
Features
Disk Retainer and Throttling Ski — FSC 4820
General Characteristics Item Description: NICKEL COPPER ALLOY,QQ-N-281;SIZE 3.000 IN.;OD 2.778 IN. NOMINAL;HEIGHT 3.250 IN. NOMINAL;ONE HOLE 0.172 IN. DIA,AND 0.531 IN. DEEP,0.812 IN. FROM CENTER IN
4 verified cross-references
Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
Flow control in piping systems
Water treatment infrastructure
Industrial process control
General Description
The Disk Retainer and Throttling Ski, cataloged under National Stock Number 4820-01-159-7777, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
Parameter
Value
NSN
4820-01-159-7777
Primary Part Number
26M77-100 ITEM 31
Item Name
Disk Retainer and Throttling Ski
FSC / FSG
4820 / 48 — No Item Name Available
Manufacturer
Electric Boat Corporation Div General Dynamics Electric Boat
Status
ACTIVE
General Characteristics Item Description
NICKEL COPPER ALLOY,QQ-N-281;SIZE 3.000 IN.;OD 2.778 IN. NOMINAL;HEIGHT 3.250 IN. NOMINAL;ONE HOLE 0.172 IN. DIA,AND 0.531 IN. DEEP,0.812 IN. FROM CENTER IN
NSN 4820-01-159-7777 is a Disk Retainer and Throttling Ski, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
What are the part numbers for NSN 4820-01-159-7777?
NSN 4820-01-159-7777 has 4 cross-referenced part numbers: 845-2445066 (Naval Ship Systems Command), 26M77-100 (Electric Boat Corporation Div General Dynamics Electric Boat), 26M77-100 ITEM 31 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2445066 ITEM 31 (Naval Ship Systems Command).
What NSN replaces 4820-01-159-7777?
There are 12 known substitutes for 4820-01-159-7777: 4820-00-900-2344, 4820-01-092-0343, 4820-01-121-2903 and 9 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 26M77-100 ITEM 31?
Key specifications for 26M77-100 ITEM 31: General Characteristics Item Description: NICKEL COPPER ALLOY,QQ-N-281;SIZE 3.000 IN.;OD 2.778 IN. NOMINAL;HEIGHT 3.250 IN. NOMINAL;ONE HOLE 0.172 IN. DIA,AND 0.531 IN. DEEP,0.812 IN. FROM CENTER IN. 1 total characteristics are documented in the Federal Logistics Information System.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.