PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

308144Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-576-1632 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-576-1632 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-576-1632. Primary manufacturer part number: 308144.
Features
  • Bolt,machine — FSC 5306
  • Thread Series Designator: UNF
  • Material: STEEL COMP 601 OVERALL
  • Hole Configuration Style: DOUBLE HEXAGON LONGITUDINAL HOLE
  • Surface Treatment: NICKEL AND CADMIUM OVERALL
  • Material Document and Classification: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Extended Washer Thickness: 0.075 INCHES NOMINAL IN
  • Hole Diameter: 0.062 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 601 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-576-1632, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-576-1632
Primary Part Number308144
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Series DesignatorUNF
MaterialSTEEL COMP 601 OVERALL
Hole Configuration StyleDOUBLE HEXAGON LONGITUDINAL HOLE
Surface TreatmentNICKEL AND CADMIUM OVERALL
Material Document and ClassificationAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Extended Washer Thickness0.075 INCHES NOMINAL IN
Hole Diameter0.062 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Thread Length0.625 INCHES MINIMUM IN
Thread Quantity Per Inch24
Hole Quantity4
Head StyleDOUBLE HEXAGON W/HOLE
Width Between Flats0.372 INCHES NOMINAL IN
Nominal Thread Diameter0.312 INCHES IN
Head Height0.375 INCHES NOMINAL IN
Extended Washer Diameter0.500 INCHES NOMINAL IN
Fastener Length0.625 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Criticality Code JustificationFEAT
Thread Class1A A
Hole TypeDRILLED
Hardness Rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1005-00-550-40365504036 INTERCHANGEABLE
Brush,cleaning,small Arms
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4730-01-063-07440308144 INTERCHANGEABLE
Reducer,tube
Caterpillar Inc Div Caterpillar Defense
3455-01-107-9652308-148 INTERCHANGEABLE
Blade,band Saw,metal Cutting
Doall Baltimore Company
Cross-Reference Index
Part NumberManufacturer
308144 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
308144 Textron Fastening Systems Dba Decorah Operations Tfs (USA)
308144 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
308144 Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
1005-00-550-4036INTERCHANGEABLE
BRUSH,CLEANING,SMALL ARMS
5504036
4730-01-063-0744INTERCHANGEABLE
REDUCER,TUBE
0308144
3455-01-107-9652INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
308-148

Frequently Asked Questions

What is NSN 5306-00-576-1632?

NSN 5306-00-576-1632 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-576-1632?

NSN 5306-00-576-1632 has 4 cross-referenced part numbers: 308144 (Howmet Global Fastening Systems Inc Div Torrance Operations), 308144 (Textron Fastening Systems Dba Decorah Operations Tfs), 308144 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 308144 (Sps Technologies, Llc Dba PB Fasteners).

What NSN replaces 5306-00-576-1632?

There are 3 known substitutes for 5306-00-576-1632: 1005-00-550-4036, 4730-01-063-0744, 3455-01-107-9652. Verify interchangeability with system specifications before substitution.

What are the specifications of 308144?

Key specifications for 308144: Thread Series Designator: UNF; Material: STEEL COMP 601 OVERALL; Hole Configuration Style: DOUBLE HEXAGON LONGITUDINAL HOLE; Surface Treatment: NICKEL AND CADMIUM OVERALL. 23 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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