PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186649Bolt,machine

Rolls-Royce Solutions America Inc · NSN 5306-00-018-6649 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-018-6649 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-018-6649. Primary manufacturer part number: 186649.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
  • Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Features Provided: FINISHED HEAD
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1050 or Steel Comp 1053 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-018-6649, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-018-6649
Primary Part Number186649
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusACTIVE
Fastener Length1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Head Height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Features ProvidedFINISHED HEAD
Hardness Rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Head StyleHEXAGON
MaterialSTEEL COMP 1050 OR STEEL COMP 1053 OVERALL
Nondefinitive Spec/std Data3 TYPE AND 8 GRADE
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Thread Class2A A
Thread Quantity Per Inch24
Nominal Thread Diameter0.312 INCHES IN
Thread DirectionRIGHT-HAND
Thread Length0.875 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-270-9422
HAZMATNo
Verified Substitutes 12
5306-00-227-05820.75010UNC2A1.750T1G5BAC SUCCESSOR
Bolt,machine
Nucor Fastener
5306-00-227-0601306-40172 SUCCESSOR
Bolt,machine
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
Bolt,machine
5306-00-281-51641D4703 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-426-34021D4608 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
5306-00-732-77146C-3210 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
PC186649 Power Components (deutschland) Gmbh (DEU)
5306000186649 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
186649 PRIMARY Rolls-Royce Solutions America Inc (USA)
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
18664996-00 General Motors Llc Dba General Motors Llc (USA)
18664996-00 General Motors Corp (USA)
Related Parts
SUCCESSOR 5306-00-270-9422 Bolt,machine
5306-00-227-0582SUCCESSOR
BOLT,MACHINE
0.75010UNC2A1.750T1G5BAC
5306-00-227-0601SUCCESSOR
BOLT,MACHINE
306-40172
5306-00-281-5164SUCCESSOR
BOLT,MACHINE
1D4703
5306-00-299-2342SUCCESSOR
BOLT,MACHINE
5306-00-299-2369SUCCESSOR
BOLT,MACHINE
5306-00-299-2378SUCCESSOR
BOLT,MACHINE
5306-00-426-3402SUCCESSOR
BOLT,MACHINE
1D4608
5306-00-732-7714SUCCESSOR
BOLT,MACHINE
6C-3210
5306-01-282-7489SUCCESSOR
BOLT,MACHINE
5306-01-323-5536SUCCESSOR
BOLT,MACHINE
5306-01-327-3526SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-018-6649?

NSN 5306-00-018-6649 is a Bolt,machine, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-018-6649?

NSN 5306-00-018-6649 has 7 cross-referenced part numbers: MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), PC186649 (Power Components (deutschland) Gmbh), 5306000186649 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 186649 (Rolls-Royce Solutions America Inc), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5306-00-018-6649?

There are 12 known substitutes for 5306-00-018-6649: 5306-00-227-0582, 5306-00-227-0601, 5306-00-270-9422 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 186649?

Key specifications for 186649: Fastener Length: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN; Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN; 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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