PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

161526Bolt,machine

Aircraft Components and Fasteners Inc · NSN 5306-00-341-8659 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-341-8659 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-341-8659. Primary manufacturer part number: 161526.
Features
  • Bolt,machine — FSC 5306
  • Head Height: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
  • Thread Length: 0.815 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Class: 3A A
  • Features Provided: FINISHED HEAD
  • Head Style: HEXAGON
  • Grip Length: 0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-341-8659, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aircraft Components and Fasteners Inc. Government technical data includes 20 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: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-341-8659
Primary Part Number161526
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerAircraft Components and Fasteners Inc
StatusCANCELLED
Head Height0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
Thread Length0.815 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Thread Class3A A
Features ProvidedFINISHED HEAD
Head StyleHEXAGON
Grip Length0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Surface Finish63.0 MICROINCHES BEARING SURFACE OF HEAD
MaterialSTEEL COMP 8740 OVERALL
Surface Finish32.0 MICROINCHES THREADS
Surface Finish63.0 MICROINCHES GRIP
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM OVERALL
Fastener Length1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
Width Between Flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
No Item Name Available
5935-00-648-32981704-0014-1 INTERCHANGEABLE
Connector,receptacle,electrical
Datum Inc Bancomm-Timing Div
Cross-Reference Index
Part NumberManufacturer
161526 PRIMARY Aircraft Components and Fasteners Inc (USA)
161526 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
161526 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
161526 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
161526 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5306-00-297-8426SUCCESSOR
NO ITEM NAME AVAILABLE
5935-00-648-3298INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1704-0014-1

Frequently Asked Questions

What is NSN 5306-00-341-8659?

NSN 5306-00-341-8659 is a Bolt,machine, manufactured by Aircraft Components and Fasteners Inc, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-341-8659?

NSN 5306-00-341-8659 has 5 cross-referenced part numbers: 161526 (Aircraft Components and Fasteners Inc), 161526 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 161526 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), 161526 (Howmet Global Fastening Systems Inc Div Torrance Operations), 161526 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5306-00-341-8659?

There are 2 known substitutes for 5306-00-341-8659: 5306-00-297-8426, 5935-00-648-3298. Verify interchangeability with system specifications before substitution.

What are the specifications of 161526?

Key specifications for 161526: Head Height: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN; Thread Length: 0.815 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN; Thread Class: 3A A. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-341-8659 still in active supply?

NSN 5306-00-341-8659 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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