PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30199Spring,helical,compression

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-653-6728 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-653-6728 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-653-6728. Primary manufacturer part number: 30199.
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 1005-01-653-6728, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-653-6728
Primary Part Number30199
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 5
5310-00-167-9113 INTERCHANGEABLE
Washer,flat
5940-00-309-450230876 INTERCHANGEABLE
Terminal,stud
Te Connectivity Corporation
6685-01-263-705430199 INTERCHANGEABLE
Thermometer,indicating,capillary
Clayton Manufacturing Company
5365-01-420-884730199 INTERCHANGEABLE
Spacer,special Shaped
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
5310-01-598-2797L140934-0810 INTERCHANGEABLE
Nut,plain,hexagon
Bae Systems Information & Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
30199 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
5310-00-167-9113INTERCHANGEABLE
WASHER,FLAT
5940-00-309-4502INTERCHANGEABLE
TERMINAL,STUD
30876
6685-01-263-7054INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
30199
5365-01-420-8847INTERCHANGEABLE
SPACER,SPECIAL SHAPED
30199
5310-01-598-2797INTERCHANGEABLE
NUT,PLAIN,HEXAGON
L140934-0810

Frequently Asked Questions

What is NSN 1005-01-653-6728?

NSN 1005-01-653-6728 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 1005-01-653-6728?

NSN 1005-01-653-6728 has 1 cross-referenced part number: 30199 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-653-6728?

There are 5 known substitutes for 1005-01-653-6728: 5310-00-167-9113, 5940-00-309-4502, 6685-01-263-7054 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30199?

Key specifications for 30199: Special Features: BUFFER RETAINING SPRING. THIS IS AN INCREASED STRENGHT BOLT CATCH SPRING USED TO IMPROVE BOLT CATCH FUNCTION WHEN A COLLAPSIBLE STOCK KIT IS USED WITH A SUPPRESSOR. INSTALLED IN THE LOWER RECEIVER WHEN THE STOCK IS CHANGED FROM A M110 FIXED STOCK TO THE M110K1 COLLAPSIBLE STOCK. NHA; CONVERSION KIT, 7.62MM CARBINE M110K1, NSN 1005-01-601-1835. MM. 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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