PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

328C155B0832C05Screw,machine

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5305-00-638-5524 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-638-5524 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-638-5524. Primary manufacturer part number: 328C155B0832C05.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Thread Length: 0.312 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Internal Drive Style: SLOT
  • Head Height: 0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
  • Screw Surface Treatment: CADMIUM
  • Nondefinitive Spec/std Data: 1 TYPE AND 5S STYLE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-638-5524, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-638-5524
Primary Part Number328C155B0832C05
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Head Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Length0.312 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleSLOT
Head Height0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
Screw Surface TreatmentCADMIUM
Nondefinitive Spec/std Data1 TYPE AND 5S STYLE
Thread Class2A A
Fastener Length0.312 INCHES NOMINAL IN
Head StyleFILLISTER
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Nominal Thread Diameter0.164 INCHES IN
Screw MaterialCOPPER ALLOY
Screw Material Document and ClassificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-156-2307 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
FFS92TYPE1STYLE5S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AN500AB8-5 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
328C155B0832C05 Westinghouse Electric Corp (USA)
EE502-5 Donallco Inc (USA)
328C155B0832C05 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
EE502-5 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
FFS92TYPE1STYLE8S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-156-2307INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-638-5524?

NSN 5305-00-638-5524 is a Screw,machine, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-638-5524?

NSN 5305-00-638-5524 has 7 cross-referenced part numbers: FFS92TYPE1STYLE5S (Federal Specifications Promulgated by General Services Administration Washington DC), AN500AB8-5 (Curtiss-Wright Controls, Inc. Div Actuation Division), 328C155B0832C05 (Westinghouse Electric Corp), EE502-5 (Donallco Inc), 328C155B0832C05 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 2 more.

What NSN replaces 5305-00-638-5524?

There is 1 known substitute for 5305-00-638-5524: 5305-00-156-2307. Verify interchangeability with system specifications before substitution.

What are the specifications of 328C155B0832C05?

Key specifications for 328C155B0832C05: Head Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Thread Length: 0.312 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Internal Drive Style: SLOT. 15 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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