PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN500B4-4Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-00-639-0914 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-639-0914 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-639-0914. Primary manufacturer part number: AN500B4-4.
Features
  • Screw,machine — FSC 5305
  • Screw Material: COPPER ALLOY
  • Thread Quantity Per Inch: 40
  • Screw Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
  • Fastener Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Head Style: FILLISTER
  • Thread Class: 2A A
  • Head Diameter: 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-639-0914, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-639-0914
Primary Part NumberAN500B4-4
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Screw MaterialCOPPER ALLOY
Thread Quantity Per Inch40
Screw Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
Fastener Length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Head StyleFILLISTER
Thread Class2A A
Head Diameter0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Internal Drive StyleCROSS RECESS TYPE 1
Head Height0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.112 INCHES IN
Thread Length0.200 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data1 TYPE AND 4S STYLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-043-4551H2212PC31 INTERCHANGEABLE
Setscrew
Siemens Energy, Inc.
5325-00-063-7988A1066 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
6640-00-110-9413A1066 INTERCHANGEABLE
Stand,distilling Apparatus,labor
Thermo Fisher Scientific (asheville) Llc Div Laboratory Products Division
6610-00-308-2492A1066 INTERCHANGEABLE
Pivot,pointer,turn
Kelly Manufacturing Company
5961-00-365-763678163 INTERCHANGEABLE
Semiconductor Device Assembly
Prestolite Electric Inc
5305-00-514-7728 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-545-8374 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-577-546212378PCM326 INTERCHANGEABLE
Screw,cap,hexagon Head
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5310-00-582-8444 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-614-0245 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
AN500B4-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MILS933 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A106-6 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
115344 General Motors Corp (USA)
Related Parts
5305-00-043-4551INTERCHANGEABLE
SETSCREW
H2212PC31
5325-00-063-7988INTERCHANGEABLE
EYELET,METALLIC
A1066
6640-00-110-9413INTERCHANGEABLE
STAND,DISTILLING APPARATUS,LABOR
A1066
6610-00-308-2492INTERCHANGEABLE
PIVOT,POINTER,TURN
A1066
5961-00-365-7636INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
78163
5305-00-514-7728INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-545-8374INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-577-5462INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12378PCM326
5310-00-582-8444INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-614-0245INTERCHANGEABLE
SCREW,MACHINE
5310-00-619-5792INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-682-5834INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5305-00-639-0914?

NSN 5305-00-639-0914 is a Screw,machine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-639-0914?

NSN 5305-00-639-0914 has 4 cross-referenced part numbers: AN500B4-4 (Aeronautical Standards Group Dept of Navy and Air Force), MILS933 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A106-6 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 115344 (General Motors Corp).

What NSN replaces 5305-00-639-0914?

There are 12 known substitutes for 5305-00-639-0914: 5305-00-043-4551, 5325-00-063-7988, 6640-00-110-9413 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN500B4-4?

Key specifications for AN500B4-4: Screw Material: COPPER ALLOY; Thread Quantity Per Inch: 40; Screw Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE; Fastener Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-639-0914 still in active supply?

NSN 5305-00-639-0914 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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