PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

258853Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-208-7351 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-208-7351 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-208-7351. Primary manufacturer part number: 258853.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
  • Hole Diameter: 0.062 INCHES NOMINAL IN
  • Fastener Length: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
  • Head Style: HEXAGON
  • Hole Configuration Style: HEXAGON LONGITUDINAL HOLE
  • Thread Class: 3A A
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 5306-00-208-7351, 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 18 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-208-7351
Primary Part Number258853
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Thread Length0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
Hole Diameter0.062 INCHES NOMINAL IN
Fastener Length0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Head StyleHEXAGON
Hole Configuration StyleHEXAGON LONGITUDINAL HOLE
Thread Class3A A
Hole Quantity6
Head Height0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Hole TypeDRILLED
Nominal Thread Diameter0.312 INCHES IN
Thread DirectionRIGHT-HAND
Material Document and ClassificationPW722 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Width Between Flats0.500 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
No Item Name Available
3110-00-769-14264TL68111 INTERCHANGEABLE
Cup,tapered Roller Bearing
Ntn Bearing Corporation of America
Cross-Reference Index
Part NumberManufacturer
258853 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
258853 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
258853 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
258853 Monogram Aerospace Fasteners, Inc Dba Trimas Aerospace Div Monogram Aerospace Fasteners (USA)
Related Parts
5306-00-207-6602SUCCESSOR
NO ITEM NAME AVAILABLE
3110-00-769-1426INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
4TL68111

Frequently Asked Questions

What is NSN 5306-00-208-7351?

NSN 5306-00-208-7351 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-208-7351?

NSN 5306-00-208-7351 has 4 cross-referenced part numbers: 258853 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), 258853 (Howmet Global Fastening Systems Inc Div Torrance Operations), 258853 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 258853 (Monogram Aerospace Fasteners, Inc Dba Trimas Aerospace Div Monogram Aerospace Fasteners).

What NSN replaces 5306-00-208-7351?

There are 2 known substitutes for 5306-00-208-7351: 5306-00-207-6602, 3110-00-769-1426. Verify interchangeability with system specifications before substitution.

What are the specifications of 258853?

Key specifications for 258853: Thread Length: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN; Hole Diameter: 0.062 INCHES NOMINAL IN; Fastener Length: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN; Thread Series Designator: UNF. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-208-7351 still in active supply?

NSN 5306-00-208-7351 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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