PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4B1229Screw,machine

Caterpillar Inc Div Caterpillar Defense · NSN 5305-00-011-0500 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-011-0500 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-011-0500. Primary manufacturer part number: 4B1229.
Features
  • Screw,machine — FSC 5305
  • Head Style: ROUND
  • Thread Length: 0.500 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-011-0500, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 15 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
NSN5305-00-011-0500
Primary Part Number4B1229
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Head StyleROUND
Thread Length0.500 INCHES MINIMUM IN
Nominal Thread Diameter0.190 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
Thread Class2A A
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Head Height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Screw Material Document and ClassificationQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
Thread Quantity Per Inch24
Fastener Length0.500 INCHES NOMINAL IN
Internal Drive StyleSLOT
Nondefinitive Spec/std Data1 TYPE AND 1S STYLE
Screw MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2995-00-011-0842DS-934240 INTERCHANGEABLE
Sleeve,valve
Eaton Aerospace, Llc Dba Jackson South
5120-00-041-14725120-00-041-1472 INTERCHANGEABLE
Bender,switch Board Spring
General Services Administration Federal Supply Service
5950-00-147-0596 INTERCHANGEABLE
Transformer,power
5365-00-162-63097067 INTERCHANGEABLE
Bushing
Telemechanics Inc
5130-00-227-6687 INTERCHANGEABLE
Socket,socket Wrench
5315-00-234-7051 INTERCHANGEABLE
Pin,straight,headless
5330-00-242-83631-21158-0013 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5315-00-243-1002J6654 INTERCHANGEABLE
Staple
Joslyn Corp
5310-00-283-07405113 INTERCHANGEABLE
Washer,flat
Apd Cryogenics Inc
5950-00-337-94835113 INTERCHANGEABLE
Transformer
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
110500 General Motors Corp (USA)
S33X23 White Motor Corp (USA)
9X2R Pressed Metals of America Inc (USA)
110500 General Motors Llc Dba General Motors Llc (USA)
SC681PL Warner Div of Detroit Harvester Co (USA)
4B1229 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
7624 PRIMARY Kato Engineering Inc. (USA)
110500 Rolls-Royce Solutions America Inc (USA)
W6148 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
X2-38 Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248 (USA)
15X425 PRIMARY Napco International Llc Dba Napco International Inc (USA)
7067 Raytheon Technical Services Company (USA)
5113 PRIMARY Am General Llc (USA)
55X21 Sasco Inc Canadian Div
FF-S-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
2995-00-011-0842INTERCHANGEABLE
SLEEVE,VALVE
DS-934240
5120-00-041-1472INTERCHANGEABLE
BENDER,SWITCH BOARD SPRING
5120-00-041-1472
5950-00-147-0596INTERCHANGEABLE
TRANSFORMER,POWER
5365-00-162-6309INTERCHANGEABLE
BUSHING
7067
5130-00-227-6687INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5315-00-234-7051INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5330-00-242-8363INTERCHANGEABLE
SEAL,PLAIN ENCASED
1-21158-0013
5315-00-243-1002INTERCHANGEABLE
STAPLE
J6654
5310-00-283-0740INTERCHANGEABLE
WASHER,FLAT
5113
5950-00-337-9483INTERCHANGEABLE
TRANSFORMER
5113
1005-00-368-9682INTERCHANGEABLE
SEAR
5113
7320-00-390-1491INTERCHANGEABLE
PLANETARY ASSEMBLY,FOOD
5113

Frequently Asked Questions

What is NSN 5305-00-011-0500?

NSN 5305-00-011-0500 is a Screw,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-011-0500?

NSN 5305-00-011-0500 has 15 cross-referenced part numbers: 110500 (General Motors Corp), S33X23 (White Motor Corp), 9X2R (Pressed Metals of America Inc), 110500 (General Motors Llc Dba General Motors Llc), SC681PL (Warner Div of Detroit Harvester Co) and 10 more.

What NSN replaces 5305-00-011-0500?

There are 12 known substitutes for 5305-00-011-0500: 2995-00-011-0842, 5120-00-041-1472, 5950-00-147-0596 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4B1229?

Key specifications for 4B1229: Head Style: ROUND; Thread Length: 0.500 INCHES MINIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-011-0500 still in active supply?

NSN 5305-00-011-0500 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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