PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99039Setscrew

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 5305-01-568-7474 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-568-7474 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-568-7474. Primary manufacturer part number: 99039.
Features
  • Setscrew — FSC 5305
  • Head Style: HEADLESS (SETSCREW)
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Point Style: CONE
  • Internal Drive Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Material: STEEL CORROSION RESISTING OVERALL
  • Nominal Thread Diameter: 0.138 INCHES IN
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-568-7474, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-568-7474
Primary Part Number99039
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Head StyleHEADLESS (SETSCREW)
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Point StyleCONE
Internal Drive StyleHEXAGON
Thread DirectionRIGHT-HAND
MaterialSTEEL CORROSION RESISTING OVERALL
Nominal Thread Diameter0.138 INCHES IN
Thread Quantity Per Inch32
Fastener Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-107-757339RR-1V1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
6645-01-062-090556336-4 INTERCHANGEABLE
Meter,time Totalizing
Maxima Technologies & Systems Llc
6645-01-102-81274867466-7 INTERCHANGEABLE
Meter,time Totalizing
Kalmar AC Inc
Cross-Reference Index
Part NumberManufacturer
99039 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
3110-00-107-7573INTERCHANGEABLE
BEARING,BALL,ANNULAR
39RR-1V1
6645-01-062-0905INTERCHANGEABLE
METER,TIME TOTALIZING
56336-4
6645-01-102-8127INTERCHANGEABLE
METER,TIME TOTALIZING
4867466-7

Frequently Asked Questions

What is NSN 5305-01-568-7474?

NSN 5305-01-568-7474 is a Setscrew, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-568-7474?

NSN 5305-01-568-7474 has 1 cross-referenced part number: 99039 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 5305-01-568-7474?

There are 3 known substitutes for 5305-01-568-7474: 3110-00-107-7573, 6645-01-062-0905, 6645-01-102-8127. Verify interchangeability with system specifications before substitution.

What are the specifications of 99039?

Key specifications for 99039: End Item Identification: M99-1-H .50 CALIBER SNIPER RIFLE; Head Style: HEADLESS (SETSCREW); Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Point Style: CONE. 10 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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