PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STD1204Bolt,machine

Textron Lycoming Inc Williamsport Plant · NSN 5306-00-028-4204 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-028-4204 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-028-4204. Primary manufacturer part number: STD1204.
Features
  • Bolt,machine — FSC 5306
  • Head Height: 0.160 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Grip Length: 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 20
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-028-4204, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-028-4204
Primary Part NumberSTD1204
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusCANCELLED
Head Height0.160 INCHES NOMINAL IN
Head StyleHEXAGON
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Grip Length0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread Quantity Per Inch20
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Features ProvidedFINISHED HEAD
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Thread DirectionRIGHT-HAND
Fastener Length0.940 INCHES NOMINAL IN
Thread Class3A A
Nominal Thread Diameter0.250 INCHES IN
Thread Length0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-684-1111352106 INTERCHANGEABLE
Gasket
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5133-01-095-4760 INTERCHANGEABLE
Drill,twist
5935-01-470-6576352106 INTERCHANGEABLE
Connector,plug,electrical
Bae Systems Information and Electronic Systems Integration Inc.
5120-01-516-3811352-10 INTERCHANGEABLE
Adapter,outlet
Bae Systems Land & Armaments L.p.
Cross-Reference Index
Part NumberManufacturer
LW25-0-94 Textron Lycoming Inc Williamsport Plant (USA)
352106 Teledyne Industries Inc Teledyne Power Systems Div (USA)
35210 Renk America Llc Div Renk America (USA)
STD1204 Satair A/s (DNK)
STD1204 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
LW25-0-94 Satair A/s (DNK)
35210 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
5330-00-684-1111INTERCHANGEABLE
GASKET
352106
5133-01-095-4760INTERCHANGEABLE
DRILL,TWIST
5935-01-470-6576INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
352106
5120-01-516-3811INTERCHANGEABLE
ADAPTER,OUTLET
352-10

Frequently Asked Questions

What is NSN 5306-00-028-4204?

NSN 5306-00-028-4204 is a Bolt,machine, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-028-4204?

NSN 5306-00-028-4204 has 7 cross-referenced part numbers: LW25-0-94 (Textron Lycoming Inc Williamsport Plant), 352106 (Teledyne Industries Inc Teledyne Power Systems Div), 35210 (Renk America Llc Div Renk America), STD1204 (Satair A/s), STD1204 (Textron Lycoming Inc Williamsport Plant) and 2 more.

What NSN replaces 5306-00-028-4204?

There are 4 known substitutes for 5306-00-028-4204: 5330-00-684-1111, 5133-01-095-4760, 5935-01-470-6576 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of STD1204?

Key specifications for STD1204: Head Height: 0.160 INCHES NOMINAL IN; Head Style: HEXAGON; Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Grip Length: 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-028-4204 still in active supply?

NSN 5306-00-028-4204 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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