PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6820Screw,machine

Cec Vibration Products, Llc Dba Cec Vibrations Products · NSN 5305-00-687-7558 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-687-7558 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-687-7558. Primary manufacturer part number: 6820.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Screw Material: STEEL
  • Head Diameter: 0.460 INCHES NOMINAL IN
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 32
  • Screw Material Document and Classification: AISI C1020 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-687-7558, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cec Vibration Products, Llc Dba Cec Vibrations Products. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-687-7558
Primary Part Number6820
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCec Vibration Products, Llc Dba Cec Vibrations Products
StatusACTIVE
Internal Drive StyleCROSS RECESS TYPE 1
Screw MaterialSTEEL
Head Diameter0.460 INCHES NOMINAL IN
Fastener Length0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Screw Material Document and ClassificationAISI C1020 ASSN STD SINGLE MATERIAL RESPONSE
Nominal Thread Diameter0.164 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Thread Length0.375 INCHES MAXIMUM IN
Head Height0.125 INCHES NOMINAL IN
Head StyleFLAT CHAMFER
Screw Surface TreatmentCADMIUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-174-0315131-56820 INTERCHANGEABLE
Cock,shutoff,screw Stem
Danfoss Power Solutions II, Llc
4730-00-278-2523 INTERCHANGEABLE
Clamp,hose
2530-00-495-8594J812678 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Chrysler Corp Engine and Components Sales Diversified Products Div
8115-00-682-68206820 INTERCHANGEABLE
Box,shipping
Connecticut Container Corp. Dba Connecticut Container Corp
6515-01-069-7061S1658-2 INTERCHANGEABLE
Cautery,battery Operated
Bausch & Lomb Incorporated Div Surgical
5950-01-075-95543455039-008 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
2510-01-179-262922003060 INTERCHANGEABLE
Shock Absorber,direct Action
General Motors Llc Dba General Motors Llc
2920-01-184-058112043733 INTERCHANGEABLE
Lead Set,ignition,engine
General Motors Llc Dba General Motors Llc
6530-01-283-65396820 INTERCHANGEABLE
Tube Assembly,respiratory Therap
Bird Products Corp
8120-01-329-15001690360 INTERCHANGEABLE
Cylinder,compressed Gas,air,brea
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
6820 PRIMARY Cec Vibration Products, Llc Dba Cec Vibrations Products (USA)
6820 Sypris Electronics, Llc (USA)
Related Parts
4820-00-174-0315INTERCHANGEABLE
COCK,SHUTOFF,SCREW STEM
131-56820
4730-00-278-2523INTERCHANGEABLE
CLAMP,HOSE
2530-00-495-8594INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
J812678
8115-00-682-6820INTERCHANGEABLE
BOX,SHIPPING
6820
6515-01-069-7061INTERCHANGEABLE
CAUTERY,BATTERY OPERATED
S1658-2
5950-01-075-9554INTERCHANGEABLE
COIL,RADIO FREQUENCY
3455039-008
2510-01-179-2629INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
22003060
2920-01-184-0581INTERCHANGEABLE
LEAD SET,IGNITION,ENGINE
12043733
6530-01-283-6539INTERCHANGEABLE
TUBE ASSEMBLY,RESPIRATORY THERAP
6820
8120-01-329-1500INTERCHANGEABLE
CYLINDER,COMPRESSED GAS,AIR,BREA
1690360
4730-01-418-4126INTERCHANGEABLE
NUT,UNION
6820
6515-01-465-8861INTERCHANGEABLE
MASK,ORONASAL
VSI6820

Frequently Asked Questions

What is NSN 5305-00-687-7558?

NSN 5305-00-687-7558 is a Screw,machine, manufactured by Cec Vibration Products, Llc Dba Cec Vibrations Products, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-687-7558?

NSN 5305-00-687-7558 has 2 cross-referenced part numbers: 6820 (Cec Vibration Products, Llc Dba Cec Vibrations Products), 6820 (Sypris Electronics, Llc).

What NSN replaces 5305-00-687-7558?

There are 12 known substitutes for 5305-00-687-7558: 4820-00-174-0315, 4730-00-278-2523, 2530-00-495-8594 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6820?

Key specifications for 6820: Internal Drive Style: CROSS RECESS TYPE 1; Screw Material: STEEL; Head Diameter: 0.460 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN. 14 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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