PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

116549Screw,cap,hexagon Head

General Motors Corp · NSN 5305-00-011-6549 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-011-6549 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-011-6549. Primary manufacturer part number: 116549.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Material: COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Fastener Length: 1.000 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 462 or Copper Alloy 464 or Copper Alloy 482 or Copper Alloy 485 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-011-6549, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5305-00-011-6549
Primary Part Number116549
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Thread DirectionRIGHT-HAND
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Head StyleHEXAGON
Fastener Length1.000 INCHES NOMINAL IN
Thread Quantity Per Inch18
Thread Length0.874 INCHES MINIMUM IN
Thread Class2A A
Nominal Thread Diameter0.312 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-204-3233 INTERCHANGEABLE
Brake Shoe
5940-01-230-6337116549 INTERCHANGEABLE
Terminal Board
Tdk-Lambda Americas Inc. Div High Power Division
Cross-Reference Index
Part NumberManufacturer
116549 General Motors Corp (USA)
MS35309-334 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
116549 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
2530-00-204-3233INTERCHANGEABLE
BRAKE SHOE
5940-01-230-6337INTERCHANGEABLE
TERMINAL BOARD
116549

Frequently Asked Questions

What is NSN 5305-00-011-6549?

NSN 5305-00-011-6549 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-011-6549?

NSN 5305-00-011-6549 has 3 cross-referenced part numbers: 116549 (General Motors Corp), MS35309-334 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 116549 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5305-00-011-6549?

There are 2 known substitutes for 5305-00-011-6549: 2530-00-204-3233, 5940-01-230-6337. Verify interchangeability with system specifications before substitution.

What are the specifications of 116549?

Key specifications for 116549: Thread Direction: RIGHT-HAND; Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Material: COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 11 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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