PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25758Buffer,recoil Mechanism

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-601-5589 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-601-5589 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-601-5589. Primary manufacturer part number: 25758.
Features
  • Buffer,recoil Mechanism — FSC 1005
  • 1 verified cross-reference
  • 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 Buffer,recoil Mechanism, cataloged under National Stock Number 1005-01-601-5589, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-601-5589
Primary Part Number25758
Item NameBuffer,recoil Mechanism
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4720-00-721-9893H20108BK INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
3010-01-047-372111479 INTERCHANGEABLE
Universal Joint,nonvehicular
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5365-01-098-366925758 INTERCHANGEABLE
Spacer
Eaton Aerospace Llc
5895-01-293-2090 INTERCHANGEABLE
Modem,communications
5365-01-312-5755 INTERCHANGEABLE
Bushing,tapered
6515-01-648-96235050-4-300 INTERCHANGEABLE
Pin,bone
Howmedica Osteonics Corp Dba Stryker Orthopaedics
Cross-Reference Index
Part NumberManufacturer
25758 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
4720-00-721-9893INTERCHANGEABLE
HOSE,NONMETALLIC
H20108BK
3010-01-047-3721INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
11479
5365-01-098-3669INTERCHANGEABLE
SPACER
25758
5895-01-293-2090INTERCHANGEABLE
MODEM,COMMUNICATIONS
5365-01-312-5755INTERCHANGEABLE
BUSHING,TAPERED
6515-01-648-9623INTERCHANGEABLE
PIN,BONE
5050-4-300

Frequently Asked Questions

What is NSN 1005-01-601-5589?

NSN 1005-01-601-5589 is a Buffer,recoil Mechanism, 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 1005-01-601-5589?

NSN 1005-01-601-5589 has 1 cross-referenced part number: 25758 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-601-5589?

There are 6 known substitutes for 1005-01-601-5589: 4720-00-721-9893, 3010-01-047-3721, 5365-01-098-3669 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25758?

Key specifications for 25758: Special Features: BUFFER TUBE FOR COLLAPSIBLE STOCK. NHA; 7.62 CARBINE, ADAPTABLE CARBINE STOCK (ACS) BUTTSTOCK ASSEMBLY KIT P/N 25951-TAN.. 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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