PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

82131Screw,cap,socket Head

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 5305-01-358-7788 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-358-7788 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-358-7788. Primary manufacturer part number: 82131.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Length: 0.488 INCHES NOMINAL IN
  • Countersink Angle: 135.0 DEGREES NOMINAL
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Head Height: 0.114 INCHES NOMINAL IN
  • Internal Drive Style: HEXAGON
  • Head Style: FLAT COUNTERSUNK UNDERCUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-358-7788, 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 2 commercial cross-references from 2 manufacturers, 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
NSN5305-01-358-7788
Primary Part Number82131
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Thread Length0.488 INCHES NOMINAL IN
Countersink Angle135.0 DEGREES NOMINAL
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Head Height0.114 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
Head StyleFLAT COUNTERSUNK UNDERCUT
Head Diameter0.302 INCHES NOMINAL IN
Width Across Flats0.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1330-00-028-5848 INTERCHANGEABLE
Fuze,hand Grenade
3110-00-554-3244 INTERCHANGEABLE
Bearing,ball,annular
1375-00-935-192482-13-1 INTERCHANGEABLE
Charge,demolition
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
5915-01-083-39587616-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
A. T. Parker, Inc. Div Solar Electronics Company
1650-01-218-81008213-1 INTERCHANGEABLE
Sleeve,valve Manifold
Goodrich Aerospace Canada Ltd
4320-01-581-307782131 INTERCHANGEABLE
Parts Kit,rotary Pump
Micropump, Inc.
Cross-Reference Index
Part NumberManufacturer
82131 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
91253A196 Mcmaster-Carr Supply Co (USA)
Related Parts
1330-00-028-5848INTERCHANGEABLE
FUZE,HAND GRENADE
3110-00-554-3244INTERCHANGEABLE
BEARING,BALL,ANNULAR
1375-00-935-1924INTERCHANGEABLE
CHARGE,DEMOLITION
82-13-1
5915-01-083-3958INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
7616-1
1650-01-218-8100INTERCHANGEABLE
SLEEVE,VALVE MANIFOLD
8213-1
4320-01-581-3077INTERCHANGEABLE
PARTS KIT,ROTARY PUMP
82131

Frequently Asked Questions

What is NSN 5305-01-358-7788?

NSN 5305-01-358-7788 is a Screw,cap,socket Head, 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 5305-01-358-7788?

NSN 5305-01-358-7788 has 2 cross-referenced part numbers: 82131 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc), 91253A196 (Mcmaster-Carr Supply Co).

What NSN replaces 5305-01-358-7788?

There are 6 known substitutes for 5305-01-358-7788: 1330-00-028-5848, 3110-00-554-3244, 1375-00-935-1924 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 82131?

Key specifications for 82131: Thread Length: 0.488 INCHES NOMINAL IN; Countersink Angle: 135.0 DEGREES NOMINAL; Thread Direction: RIGHT-HAND; Material: STEEL OVERALL. 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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