PartsTable TECHNICAL DATA SHEET
NSN 1005-01-601-5588Government record, cited

Stock, Gun, Shoulder1005-01-601-5588

NSN 1005-01-601-5588 · NIIN 016015588 · Part number 20688-1BLK
Charles Reed Knight Jr Dba Knight's Armament Company · FSC 1005 — Guns, Through 30mm · FSG 10 — Weapons · CAGE 1S002
Government record, cited
NSN 1005-01-601-5588 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-601-5588. Manufacturer of record part number: 20688-1BLK.
Also searched as  1005-01-601-5588 · 1005016015588 · NIIN 016015588 · 01-601-5588 · FSC 1005 Guns, Through 30mm · CAGE 1S002 · 20688-1BLK
Nearby stock numbers  ·
Features
  • Stock,gun,shoulder — FSC 1005
  • Butt Width: 131.5 MILLIMETERS NOMINAL MM
  • Weapon for Which Designed: RIFLE
  • Model Number: M110
  • Style Designator: STOCK, RIFLE
  • Size Designation: 7.62 MILLIMETER MM
  • Color: BLACK
  • Material: PLASTIC
Identification
  • NSN: 1005-01-601-5588
  • NIIN: 016015588
  • FSC: 1005 — Guns, Through 30mm
  • FSG: 10 — Weapons
  • Primary part number: 20688-1BLK
  • Manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
General Description

The Stock,gun,shoulder, cataloged under National Stock Number 1005-01-601-5588, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-601-5588
Primary Part Number20688-1BLK
Item NameStock,gun,shoulder
FSC / FSG1005 / 10 — Guns, Through 30mm
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Butt Width131.5 MILLIMETERS NOMINAL MM
Weapon for Which DesignedRIFLE
Model NumberM110
Style DesignatorSTOCK, RIFLE
Size Designation7.62 MILLIMETER MM
ColorBLACK
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
20688-1BLK PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
No interchangeability data on file.
Other items in FSC 1005 — Guns, Through 30mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1005-00-000-0061
MACHINE GUN,7.62 MILLIMETER
1005-00-001-2676
FILTER,GUN DRIVE
1005-00-001-5589
1005-00-001-5589 · Item name not on file
1005-00-002-0996
1005-00-002-0996 · Item name not on file
1005-00-003-1073
STOP,CARTRIDGE
1005-00-003-2251
1005-00-003-2251 · Item name not on file
1005-00-003-2267
1005-00-003-2267 · Item name not on file
1005-00-003-2268
1005-00-003-2268 · Item name not on file

Frequently Asked Questions

What is NSN 1005-01-601-5588?

NSN 1005-01-601-5588 is a Stock,gun,shoulder, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 1005, Guns, Through 30mm. Status: active.

What part numbers are listed for NSN 1005-01-601-5588?

NSN 1005-01-601-5588 has 1 manufacturer part number on file: 20688-1BLK (Charles Reed Knight Jr Dba Knight's Armament Company).

What are the specifications of 20688-1BLK?

Key specifications for 20688-1BLK: Butt Width: 131.5 MILLIMETERS NOMINAL MM; Weapon for Which Designed: RIFLE; Model Number: M110; Style Designator: STOCK, RIFLE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 1005-01-601-5588 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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