PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21779Lock,knuckle

Curtiss-Wright Controls, Inc. Div Actuation Division · NSN 2805-00-350-4048 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-350-4048 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-350-4048. Primary manufacturer part number: 21779.
Features
  • Lock,knuckle — FSC 2805
  • General Characteristics Item Description: 0.906 IN. H,0.906 IN. W,0.125 IN. THK,2 HOLES 0.281 IN. DIA,HEAT TREAT TO ROCKWELL C 26-32 IN
  • 3 verified cross-references
  • Primary manufacturer: Curtiss-Wright Controls, Inc. Div Actuation Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lock,knuckle, cataloged under National Stock Number 2805-00-350-4048, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN2805-00-350-4048
Primary Part Number21779
Item NameLock,knuckle
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Div Actuation Division
StatusACTIVE
General Characteristics Item Description0.906 IN. H,0.906 IN. W,0.125 IN. THK,2 HOLES 0.281 IN. DIA,HEAT TREAT TO ROCKWELL C 26-32 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-004-0427PM21779 INTERCHANGEABLE
Gasket
Mason Electric Co. Dba Mason Controls
3455-00-232-410219956 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5915-00-334-9495SM-D-78532 INTERCHANGEABLE
Network,pulse Forming
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2920-00-516-2718021779 INTERCHANGEABLE
Cap,ignition Distribution
Caterpillar Inc Div Caterpillar Defense
5365-01-063-749921779 INTERCHANGEABLE
Spacer,sleeve
Eaton Aerospace Llc
5330-01-267-0254 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
21779 PRIMARY Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
200376Y25 PRIMARY Renk America Llc Div Renk America (USA)
A165261 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5330-00-004-0427INTERCHANGEABLE
GASKET
PM21779
3455-00-232-4102INTERCHANGEABLE
REAMER,MACHINE
19956
5915-00-334-9495INTERCHANGEABLE
NETWORK,PULSE FORMING
SM-D-78532
2920-00-516-2718INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
021779
5365-01-063-7499INTERCHANGEABLE
SPACER,SLEEVE
21779
5330-01-267-0254INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 2805-00-350-4048?

NSN 2805-00-350-4048 is a Lock,knuckle, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-350-4048?

NSN 2805-00-350-4048 has 3 cross-referenced part numbers: 21779 (Curtiss-Wright Controls, Inc. Div Actuation Division), 200376Y25 (Renk America Llc Div Renk America), A165261 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 2805-00-350-4048?

There are 6 known substitutes for 2805-00-350-4048: 5330-00-004-0427, 3455-00-232-4102, 5915-00-334-9495 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21779?

Key specifications for 21779: General Characteristics Item Description: 0.906 IN. H,0.906 IN. W,0.125 IN. THK,2 HOLES 0.281 IN. DIA,HEAT TREAT TO ROCKWELL C 26-32 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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