PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22109Leaf Sight Assembly

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1010-01-522-0055 · FSC 1010 · No Item Name Available
Verified by PartsTable
NSN 1010-01-522-0055 — this item is cataloged by the U.S. Government under National Stock Number 1010-01-522-0055. Primary manufacturer part number: 22109.
Features
  • Leaf Sight Assembly — FSC 1010
  • 1 verified cross-reference
  • Primary manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Leaf Sight Assembly, cataloged under National Stock Number 1010-01-522-0055, is classified within Federal Supply Class 1010 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1010-01-522-0055
Primary Part Number22109
Item NameLeaf Sight Assembly
FSC / FSG1010 / 10 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5120-00-017-3927 INTERCHANGEABLE
Contact Positioner,terminal Crim
5365-00-424-552122-109 INTERCHANGEABLE
Shim
Dresser Industries Inc Leroi Div
5945-00-495-7350ST5M1272-006 INTERCHANGEABLE
Retainer,electrical Relay
The Boeing Company Div Defense
6130-00-769-385622-109 INTERCHANGEABLE
Power Supply
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
3120-01-192-636122109 INTERCHANGEABLE
Bushing,sleeve
Moog Inc. Dba Ampac-Isp Corp
4730-01-221-558622109 INTERCHANGEABLE
Fitting,lubrication
Stewart Warner Alemite Corp
4820-01-470-390022109 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4730-01-573-928022109 INTERCHANGEABLE
Bushing,pipe
Hassay Savage Co
Cross-Reference Index
Part NumberManufacturer
22109 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
5120-00-017-3927INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
5365-00-424-5521INTERCHANGEABLE
SHIM
22-109
5945-00-495-7350INTERCHANGEABLE
RETAINER,ELECTRICAL RELAY
ST5M1272-006
6130-00-769-3856INTERCHANGEABLE
POWER SUPPLY
22-109
3120-01-192-6361INTERCHANGEABLE
BUSHING,SLEEVE
22109
4730-01-221-5586INTERCHANGEABLE
FITTING,LUBRICATION
22109
4820-01-470-3900INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
22109
4730-01-573-9280INTERCHANGEABLE
BUSHING,PIPE
22109

Frequently Asked Questions

What is NSN 1010-01-522-0055?

NSN 1010-01-522-0055 is a Leaf Sight Assembly, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 1010 (No Item Name Available). Status: active.

What are the part numbers for NSN 1010-01-522-0055?

NSN 1010-01-522-0055 has 1 cross-referenced part number: 22109 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1010-01-522-0055?

There are 8 known substitutes for 1010-01-522-0055: 5120-00-017-3927, 5365-00-424-5521, 5945-00-495-7350 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22109?

Key specifications for 22109: Part Name Assigned by Controlling Agency: 1010-00-179-6447; Special Features: ASSEMBLY INCLUDES QTY 1 BASE,LEAF SIGHT P/N 22064; QTY 1 P/N 22042; QTY 1 LEAF SIGHT P/N 22041; QTY 1 COVER PLATE P/N 22105; QTY 1 SCREW P/N 22104; QTY 1 KNOB P/N 97161; QTY 1 CLAMP, REAR SIGHT P/N 95165; QTY 1 MACHINE SCREW P/N 22030; QTY 1 PIN, SPRING SLOTTED P/N 21178; QTY 1 SPRING, KNOB P/N 97207; QTY 1 BALL BEARING P/N 21179; QTY 1 INSERT, HELICOIL P/N 21176; QTY 1 LOCK WASHER, PISTOL GRIP P/N 94037; QTY 2 BUTTON HEAD CAP SCREW P/N 22107; QTY 1 SCREW, MOUNT P/N 22106; QTY 1 PLUNGER, POST P/N 94388; QTY 3 SPRING P/N 21070. 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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