PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22440Spring,helical,compression

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-705-8559 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-705-8559 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-705-8559. Primary manufacturer part number: 22440.
Features
  • Spring,helical,compression — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 1005-01-705-8559, is classified within Federal Supply Class 1005 (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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-705-8559
Primary Part Number22440
Item NameSpring,helical,compression
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5985-00-088-00791130-0032 INTERCHANGEABLE
Coupler,directional
Keysight Technologies Inc
3030-00-264-3054103518 INTERCHANGEABLE
Belt,v
Allianz Sweeper Company
2805-00-385-8231 INTERCHANGEABLE
Piston and Rod Assy
5955-00-404-7269 INTERCHANGEABLE
Case,crystal Unit
5935-01-258-79522244-0 INTERCHANGEABLE
Plug,tip
Fluke Electronics Corp
3040-01-378-937922440 INTERCHANGEABLE
Shaft,shouldered
Parker Hannifin Corp Dba Pneutronics
Cross-Reference Index
Part NumberManufacturer
22440 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
5985-00-088-0079INTERCHANGEABLE
COUPLER,DIRECTIONAL
1130-0032
3030-00-264-3054INTERCHANGEABLE
BELT,V
103518
2805-00-385-8231INTERCHANGEABLE
PISTON AND ROD ASSY
5955-00-404-7269INTERCHANGEABLE
CASE,CRYSTAL UNIT
5935-01-258-7952INTERCHANGEABLE
PLUG,TIP
2244-0
3040-01-378-9379INTERCHANGEABLE
SHAFT,SHOULDERED
22440

Frequently Asked Questions

What is NSN 1005-01-705-8559?

NSN 1005-01-705-8559 is a Spring,helical,compression, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-705-8559?

NSN 1005-01-705-8559 has 1 cross-referenced part number: 22440 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-705-8559?

There are 6 known substitutes for 1005-01-705-8559: 5985-00-088-0079, 3030-00-264-3054, 2805-00-385-8231 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22440?

Key specifications for 22440: Part Name Assigned by Controlling Agency: SPRING, TRIGGER GUARD; End Item Identification: LOWER RECEIVER ASSEMBLY, SR-16, MOD 2.2. 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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