PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

188034Screw,machine

Honeywell International Inc Div Aerospace-South Bend (bendix Dr) · NSN 5305-00-638-0725 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-638-0725 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-638-0725. Primary manufacturer part number: 188034.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.308 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
  • Thread Length: 0.500 INCHES MAXIMUM IN
  • Screw Material Document and Classification: MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-763,SERIES 400 FED SPEC 2ND MATERIAL RESPONSE
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-638-0725, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-638-0725
Primary Part Number188034
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHoneywell International Inc Div Aerospace-South Bend (bendix Dr)
StatusACTIVE
Head Diameter0.308 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
Thread Length0.500 INCHES MAXIMUM IN
Screw Material Document and ClassificationMIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-763,SERIES 400 FED SPEC 2ND MATERIAL RESPONSE
Nominal Thread Diameter0.164 INCHES IN
Fastener Length0.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Screw Surface TreatmentPASSIVATE
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Internal Drive StyleCROSS RECESS TYPE 1
Thread Quantity Per Inch32
Head StyleFLAT COUNTERSUNK
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-036-099612808 INTERCHANGEABLE
Disk,valve
Schneider Electric Systems Usa Inc
6240-01-344-5054150/120PAR/3FL/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5985-01-420-5092188034 INTERCHANGEABLE
Reflector,antenna
Northrop Grumman Systems Corporation
4140-01-513-6686 INTERCHANGEABLE
Fan,vaneaxial
5120-01-524-714412808 INTERCHANGEABLE
Holder,screwdriver Bit
Tool Equipment Co Dba T & E Tools
1240-01-632-286712808 INTERCHANGEABLE
Filter,light,optical Instrument
Aimpoint Inc Dba Aimpoint Inc
1305-01-664-504112808 INTERCHANGEABLE
Clip,cartridge
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
188034 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
1-2808 Raytheon Company Div Corp (USA)
AN505C8R8 Indian River Logistics, Llc Dba Indian River Logistics Llc (USA)
AN505C8R8 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN505C8R8 Texas Starwares Inc Dba Texas Starwares Inc (USA)
Related Parts
4820-00-036-0996INTERCHANGEABLE
DISK,VALVE
12808
6240-01-344-5054INTERCHANGEABLE
LAMP,INCANDESCENT
150/120PAR/3FL/SS/120V
5985-01-420-5092INTERCHANGEABLE
REFLECTOR,ANTENNA
188034
4140-01-513-6686INTERCHANGEABLE
FAN,VANEAXIAL
5120-01-524-7144INTERCHANGEABLE
HOLDER,SCREWDRIVER BIT
12808
1240-01-632-2867INTERCHANGEABLE
FILTER,LIGHT,OPTICAL INSTRUMENT
12808
1305-01-664-5041INTERCHANGEABLE
CLIP,CARTRIDGE
12808

Frequently Asked Questions

What is NSN 5305-00-638-0725?

NSN 5305-00-638-0725 is a Screw,machine, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-638-0725?

NSN 5305-00-638-0725 has 5 cross-referenced part numbers: 188034 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 1-2808 (Raytheon Company Div Corp), AN505C8R8 (Indian River Logistics, Llc Dba Indian River Logistics Llc), AN505C8R8 (Aeronautical Standards Group Dept of Navy and Air Force), AN505C8R8 (Texas Starwares Inc Dba Texas Starwares Inc).

What NSN replaces 5305-00-638-0725?

There are 7 known substitutes for 5305-00-638-0725: 4820-00-036-0996, 6240-01-344-5054, 5985-01-420-5092 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 188034?

Key specifications for 188034: Head Diameter: 0.308 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN; Thread Length: 0.500 INCHES MAXIMUM IN; Screw Material Document and Classification: MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-763,SERIES 400 FED SPEC 2ND MATERIAL RESPONSE; Nominal Thread Diameter: 0.164 INCHES IN. 13 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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