PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29329Screw,cap,socket Head

Eaton Corporation Dba Eaton Inoac Div Eaton · NSN 5305-00-989-0845 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-989-0845 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-989-0845. Primary manufacturer part number: 29329.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Style: FLAT CHAMFER
  • Internal Drive Style: HEXAGON
  • Thread Quantity Per Inch: 20
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: NICKEL ALLOY K-500 OVERALL
  • Material Document and Classification: QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy K-500 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-989-0845, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-989-0845
Primary Part Number29329
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac Div Eaton
StatusACTIVE
Head StyleFLAT CHAMFER
Internal Drive StyleHEXAGON
Thread Quantity Per Inch20
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialNICKEL ALLOY K-500 OVERALL
Material Document and ClassificationQQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Class2A A
Thread DirectionRIGHT-HAND
Head Diameter0.375 INCHES NOMINAL IN
Thread Length0.400 INCHES NOMINAL IN
Head Height0.125 INCHES NOMINAL IN
Hardness Rating27.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
Fastener Length0.500 INCHES NOMINAL IN
Width Across Flats0.188 INCHES NOMINAL IN
Locking FeaturePELLET THREADS
Nominal Thread Diameter0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-113-8504 INTERCHANGEABLE
Gasket
5945-00-248-9013T7609921-8REV1 INTERCHANGEABLE
Relay Assembly
Westinghouse Electric Corp
6220-00-299-5646 INTERCHANGEABLE
Light,marker,clearance
1680-00-568-557529329 INTERCHANGEABLE
Shield,dust,actuato
Honeywell International Inc. Div Aerospace - Torrance
5930-01-481-864329329.1000 INTERCHANGEABLE
Switch,thermostatic
Bunn-O-Matic Corporation Div Government Sales
Cross-Reference Index
Part NumberManufacturer
29329 PRIMARY Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
Related Parts
5330-00-113-8504INTERCHANGEABLE
GASKET
5945-00-248-9013INTERCHANGEABLE
RELAY ASSEMBLY
T7609921-8REV1
6220-00-299-5646INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
1680-00-568-5575INTERCHANGEABLE
SHIELD,DUST,ACTUATO
29329
5930-01-481-8643INTERCHANGEABLE
SWITCH,THERMOSTATIC
29329.1000

Frequently Asked Questions

What is NSN 5305-00-989-0845?

NSN 5305-00-989-0845 is a Screw,cap,socket Head, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-989-0845?

NSN 5305-00-989-0845 has 1 cross-referenced part number: 29329 (Eaton Corporation Dba Eaton Inoac Div Eaton).

What NSN replaces 5305-00-989-0845?

There are 5 known substitutes for 5305-00-989-0845: 5330-00-113-8504, 5945-00-248-9013, 6220-00-299-5646 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 29329?

Key specifications for 29329: Head Style: FLAT CHAMFER; Internal Drive Style: HEXAGON; Thread Quantity Per Inch: 20; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 16 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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