PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21152Spring,helical,compression

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-705-8826 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-705-8826 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-705-8826. Primary manufacturer part number: 21152.
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 1005-01-705-8826, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-705-8826
Primary Part Number21152
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 12
4320-00-168-089421152 INTERCHANGEABLE
Lock Plate,nut
Industrial Technologies and Services Llc
6130-00-250-596421152 INTERCHANGEABLE
Parts Kit,inverter
Magnetika Inc
2910-00-356-082221152 INTERCHANGEABLE
Lever,carburetor Throttle
Briggs and Stratton Corp
5998-00-578-6913 INTERCHANGEABLE
Electronic Components Assembly
5120-00-613-7441 INTERCHANGEABLE
Adapter,fastener Installation to
5310-00-816-183821152 INTERCHANGEABLE
Nut,plain,hexagon
Amphenol Corp Div Amphenol Aerospace Operations
2990-00-876-470421152 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5940-00-892-732710-812-2-04 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
2520-00-897-34446769453 INTERCHANGEABLE
Torque Converter
Allison Transmission Inc Dba Allison Transmission, Inc
2920-01-026-0342 INTERCHANGEABLE
Coil,ignition
Cross-Reference Index
Part NumberManufacturer
21152 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
4320-00-168-0894INTERCHANGEABLE
LOCK PLATE,NUT
21152
6130-00-250-5964INTERCHANGEABLE
PARTS KIT,INVERTER
21152
2910-00-356-0822INTERCHANGEABLE
LEVER,CARBURETOR THROTTLE
21152
5998-00-578-6913INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5120-00-613-7441INTERCHANGEABLE
ADAPTER,FASTENER INSTALLATION TO
5310-00-816-1838INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21152
2990-00-876-4704INTERCHANGEABLE
MUFFLER,EXHAUST
21152
5940-00-892-7327INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-812-2-04
2520-00-897-3444INTERCHANGEABLE
TORQUE CONVERTER
6769453
2920-01-026-0342INTERCHANGEABLE
COIL,IGNITION
5998-01-162-9144INTERCHANGEABLE
PRINTED WIRING BOARD
21152
5950-01-399-7256INTERCHANGEABLE
TRANSFORMER,POWER
H8000052-1

Frequently Asked Questions

What is NSN 1005-01-705-8826?

NSN 1005-01-705-8826 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 1005-01-705-8826?

NSN 1005-01-705-8826 has 1 cross-referenced part number: 21152 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-705-8826?

There are 12 known substitutes for 1005-01-705-8826: 4320-00-168-0894, 6130-00-250-5964, 2910-00-356-0822 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21152?

Key specifications for 21152: Part Name Assigned by Controlling Agency: SPRING, FORWARD ASSIST; Special Features: NHA-UPPER RECEIVER ASSEMBLY, KS1, SR-16. 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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