PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

309845Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-550-2686 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-550-2686 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-550-2686. Primary manufacturer part number: 309845.
Features
  • Bolt,machine — FSC 5306
  • Surface Treatment Document and Classification: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Material Document and Classification: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: UNF
  • Thread Length: 0.377 INCHES MINIMUM IN
  • Surface Treatment: NICKEL AND CADMIUM OVERALL
  • Width Between Flats: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM 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 5306-00-550-2686, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-550-2686
Primary Part Number309845
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Surface Treatment Document and ClassificationAMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
Nominal Thread Diameter0.250 INCHES IN
Material Document and ClassificationAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNF
Thread Length0.377 INCHES MINIMUM IN
Surface TreatmentNICKEL AND CADMIUM OVERALL
Width Between Flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Head Height0.166 INCHES NOMINAL IN
Fastener Length0.448 INCHES NOMINAL IN
Nonstandard Thread Pitch Diameter+0.2213 TO 0.2238 INCHES IN
Head StyleHEXAGON
MaterialSTEEL COMP 601 OVERALL
Thread Quantity Per Inch28
Thread DirectionRIGHT-HAND
Hardness Rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Features ProvidedFINISHED HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5955-00-865-9794 INTERCHANGEABLE
Crystal Unit,quartz
2530-01-056-95848144-45 INTERCHANGEABLE
Strut,parking Brake Lever
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
309845 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
309845 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
309845 Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
309845 Precision Speed Manufacturing, Llc (USA)
309845 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
Related Parts
5955-00-865-9794INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
2530-01-056-9584INTERCHANGEABLE
STRUT,PARKING BRAKE LEVER
8144-45

Frequently Asked Questions

What is NSN 5306-00-550-2686?

NSN 5306-00-550-2686 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 5306-00-550-2686?

NSN 5306-00-550-2686 has 5 cross-referenced part numbers: 309845 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 309845 (Howmet Global Fastening Systems Inc Div Torrance Operations), 309845 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 309845 (Precision Speed Manufacturing, Llc), 309845 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana).

What NSN replaces 5306-00-550-2686?

There are 2 known substitutes for 5306-00-550-2686: 5955-00-865-9794, 2530-01-056-9584. Verify interchangeability with system specifications before substitution.

What are the specifications of 309845?

Key specifications for 309845: Surface Treatment Document and Classification: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL; Nominal Thread Diameter: 0.250 INCHES IN; Material Document and Classification: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: UNF. 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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