PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14521Gage,headspace

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 5220-01-706-8796 · FSC 5220 · No Item Name Available
Verified by PartsTable
NSN 5220-01-706-8796 — this item is cataloged by the U.S. Government under National Stock Number 5220-01-706-8796. Primary manufacturer part number: 14521.
Features
  • Gage,headspace — FSC 5220
  • 1 verified cross-reference
  • Primary manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Gage,headspace, cataloged under National Stock Number 5220-01-706-8796, is classified within Federal Supply Class 5220 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5220-01-706-8796
Primary Part Number14521
Item NameGage,headspace
FSC / FSG5220 / 52 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-075-225514521 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3110-00-144-8931 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
14521 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
4820-00-075-2255INTERCHANGEABLE
SEAT,VALVE
14521
3110-00-144-8931INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5220-01-706-8796?

NSN 5220-01-706-8796 is a Gage,headspace, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5220 (No Item Name Available). Status: active.

What are the part numbers for NSN 5220-01-706-8796?

NSN 5220-01-706-8796 has 1 cross-referenced part number: 14521 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 5220-01-706-8796?

There are 2 known substitutes for 5220-01-706-8796: 4820-00-075-2255, 3110-00-144-8931. Verify interchangeability with system specifications before substitution.

What are the specifications of 14521?

Key specifications for 14521: Part Name Assigned by Controlling Agency: HEADSPACE GAGE,FIELD,CERTIFIED,.308 WIN; End Item Identification: MRAD,.308,26 INCH 1:10,BLACK IN. 2 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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