PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18816Barrel,rifle

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 1005-01-691-0571 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-691-0571 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-691-0571. Primary manufacturer part number: 18816.
Features
  • Barrel,rifle — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Barrel,rifle, cataloged under National Stock Number 1005-01-691-0571, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons 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
NSN1005-01-691-0571
Primary Part Number18816
Item NameBarrel,rifle
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-00-905-569818816 INTERCHANGEABLE
Spacer,sleeve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5985-01-304-6925 INTERCHANGEABLE
Attenuator,fixed
Cross-Reference Index
Part NumberManufacturer
18816 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
5365-00-905-5698INTERCHANGEABLE
SPACER,SLEEVE
18816
5985-01-304-6925INTERCHANGEABLE
ATTENUATOR,FIXED

Frequently Asked Questions

What is NSN 1005-01-691-0571?

NSN 1005-01-691-0571 is a Barrel,rifle, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-691-0571?

NSN 1005-01-691-0571 has 1 cross-referenced part number: 18816 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 1005-01-691-0571?

There are 2 known substitutes for 1005-01-691-0571: 5365-00-905-5698, 5985-01-304-6925. Verify interchangeability with system specifications before substitution.

What are the specifications of 18816?

Key specifications for 18816: Part Name Assigned by Controlling Agency: BARREL AND BOLT ASSEMBLY, 300 NM, 26", 1-8, FLUTED, COYOTE; Special Features: BARREL AND BOLT ASSEMBLY, .300NM, 26", 1-8, FLUTED, COYOTE. NHA, NSN 1005-01-680-5237.. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com