PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

94040Retainer,gun Component

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-601-5579 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-601-5579 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-601-5579. Primary manufacturer part number: 94040.
Features
  • Retainer,gun Component — FSC 1005
  • Overall Diameter: 6.4 MILLIMETERS NOMINAL MM
  • Surface Treatment: PHOSPHATE
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
Applications
  • Applications requiring Steel construction
General Description

The Retainer,gun Component, cataloged under National Stock Number 1005-01-601-5579, 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. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN1005-01-601-5579
Primary Part Number94040
Item NameRetainer,gun Component
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Overall Diameter6.4 MILLIMETERS NOMINAL MM
Surface TreatmentPHOSPHATE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5915-00-501-01132920137-40 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2940-01-223-372225050385 INTERCHANGEABLE
Filter Element,intake Air Cleane
Mace Security International Inc
5970-01-276-205094040-1 INTERCHANGEABLE
Pillar,sleeve
L3harris Technologies, Inc. Div Space and Airborne Systems
6110-01-439-87029307-3450 INTERCHANGEABLE
Controller,motor
Con-Tech Power Systems Iinc. Bernilled Plantcryogenicsschool of Medicine and Placement of Household Managers and Butlers
5305-01-682-627894040 INTERCHANGEABLE
Screw,cap,socket Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
94040 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
5915-00-501-0113INTERCHANGEABLE
FILTER,BAND PASS
2920137-40
2940-01-223-3722INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
25050385
5970-01-276-2050INTERCHANGEABLE
PILLAR,SLEEVE
94040-1
6110-01-439-8702INTERCHANGEABLE
CONTROLLER,MOTOR
9307-3450
5305-01-682-6278INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
94040

Frequently Asked Questions

What is NSN 1005-01-601-5579?

NSN 1005-01-601-5579 is a Retainer,gun Component, 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 1005-01-601-5579?

NSN 1005-01-601-5579 has 1 cross-referenced part number: 94040 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-601-5579?

There are 5 known substitutes for 1005-01-601-5579: 5915-00-501-0113, 2940-01-223-3722, 5970-01-276-2050 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 94040?

Key specifications for 94040: Overall Diameter: 6.4 MILLIMETERS NOMINAL MM; End Item Identification: 7.62 X 51 MM SEMI-AUTOMATIC SNIPER RIFLE M110 MM; Overall Length: 16.5 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: RETAINER, BUFFER. 6 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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