PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23019Gage,headspace

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 5220-01-554-5474 · FSC 5220 · No Item Name Available
Verified by PartsTable
NSN 5220-01-554-5474 — this item is cataloged by the U.S. Government under National Stock Number 5220-01-554-5474. Primary manufacturer part number: 23019.
Features
  • Gage,headspace — FSC 5220
  • 1 verified cross-reference
  • Primary manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Gage,headspace, cataloged under National Stock Number 5220-01-554-5474, is classified within Federal Supply Class 5220 (No Item Name Available) of the Measuring Tools 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5220-01-554-5474
Primary Part Number23019
Item NameGage,headspace
FSC / FSG5220 / 52 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5136-00-239-2762 INTERCHANGEABLE
Die,thread Cutting
5340-00-290-4532NAS-451-56 INTERCHANGEABLE
Button,plug
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4130-01-413-155523019 INTERCHANGEABLE
Valve Plate,compressor
Blissfield Manufacturing Company
2540-01-670-3243 INTERCHANGEABLE
Latch,door,vehicular
Cross-Reference Index
Part NumberManufacturer
23019 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
5136-00-239-2762INTERCHANGEABLE
DIE,THREAD CUTTING
5340-00-290-4532INTERCHANGEABLE
BUTTON,PLUG
NAS-451-56
4130-01-413-1555INTERCHANGEABLE
VALVE PLATE,COMPRESSOR
23019
2540-01-670-3243INTERCHANGEABLE
LATCH,DOOR,VEHICULAR

Frequently Asked Questions

What is NSN 5220-01-554-5474?

NSN 5220-01-554-5474 is a Gage,headspace, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 5220 (No Item Name Available). Status: active.

What are the part numbers for NSN 5220-01-554-5474?

NSN 5220-01-554-5474 has 1 cross-referenced part number: 23019 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 5220-01-554-5474?

There are 4 known substitutes for 5220-01-554-5474: 5136-00-239-2762, 5340-00-290-4532, 4130-01-413-1555 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23019?

Key specifications for 23019: End Item Identification: USED FOR SR-25/MK11 WEAPON. 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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