PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30259-FDEAdapter Rail,weapon Mounted

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-623-8921 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-623-8921 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-623-8921. Primary manufacturer part number: 30259-FDE.
Features
  • Adapter Rail,weapon Mounted — FSC 1005
  • 2 verified cross-references
  • Primary manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter Rail,weapon Mounted, cataloged under National Stock Number 1005-01-623-8921, 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 2 commercial cross-references 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
NSN1005-01-623-8921
Primary Part Number30259-FDE
Item NameAdapter Rail,weapon Mounted
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
5330-00-371-5008109335 INTERCHANGEABLE
Gasket
Hyster-Yale Group, Inc.
6625-00-693-468030-259 INTERCHANGEABLE
Lead Assy,test
Bae Systems Information and Electronic Systems Integration Inc.
5815-00-945-2645 INTERCHANGEABLE
Guide Assembly
5330-01-045-234030259 INTERCHANGEABLE
Gasket
Marco Seattle Inc Dba Marco
6640-01-595-355330259 INTERCHANGEABLE
Plate,crucible
Bego Usa Inc
Cross-Reference Index
Part NumberManufacturer
30259-FDE PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
30259 Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
5330-00-371-5008INTERCHANGEABLE
GASKET
109335
6625-00-693-4680INTERCHANGEABLE
LEAD ASSY,TEST
30-259
5815-00-945-2645INTERCHANGEABLE
GUIDE ASSEMBLY
5330-01-045-2340INTERCHANGEABLE
GASKET
30259
6640-01-595-3553INTERCHANGEABLE
PLATE,CRUCIBLE
30259

Frequently Asked Questions

What is NSN 1005-01-623-8921?

NSN 1005-01-623-8921 is a Adapter Rail,weapon Mounted, 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 1005-01-623-8921?

NSN 1005-01-623-8921 has 2 cross-referenced part numbers: 30259-FDE (Charles Reed Knight Jr Dba Knight's Armament Company), 30259 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-623-8921?

There are 5 known substitutes for 1005-01-623-8921: 5330-00-371-5008, 6625-00-693-4680, 5815-00-945-2645 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30259-FDE?

Key specifications for 30259-FDE: Special Features: FOREND ASSEMBLY, 7.62, R-L, EXT, URX3.1, LENGTH 13.5 INCHES. NHA; UPPER RECEIVER ASSEMBLY P/N 30366, M110K1. IN. 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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