PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

306841Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-551-6877 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-551-6877 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-551-6877. Primary manufacturer part number: 306841.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 28
  • Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Features Provided: FINISHED HEAD
  • Head Height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
  • Fastener Length: 4.037 INCHES MINIMUM AND 4.057 INCHES MAXIMUM IN
  • Width Between Flats: 0.438 INCHES NOMINAL IN
  • Thread Length: 0.438 INCHES MINIMUM 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 5306-00-551-6877, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-551-6877
Primary Part Number306841
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Quantity Per Inch28
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Features ProvidedFINISHED HEAD
Head Height0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
Fastener Length4.037 INCHES MINIMUM AND 4.057 INCHES MAXIMUM IN
Width Between Flats0.438 INCHES NOMINAL IN
Thread Length0.438 INCHES MINIMUM IN
Thread Class3A A
MaterialSTEEL COMP 8740 OVERALL
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM OVERALL
Head StyleHEXAGON
Thread Series DesignatorUNF
Distance From Head Largest Bearing Surface to Shank Hole Center3.943 INCHES MINIMUM AND 3.963 INCHES MAXIMUM FIRST HOLE IN
Shank Unthreaded Hole Diameter0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN
Nominal Thread Diameter0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-414-1119 INTERCHANGEABLE
Gasket
7510-00-558-2422 INTERCHANGEABLE
Pen Cleaner,liquid
5330-01-233-135030684 INTERCHANGEABLE
Gasket
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-337-9087 INTERCHANGEABLE
Valve,flow Control
5998-01-341-368130684-1 INTERCHANGEABLE
Retainer-Ejector,electrical Card
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5310-01-506-913730684 INTERCHANGEABLE
Washer,lock
Heat Wagons Inc
Cross-Reference Index
Part NumberManufacturer
306841 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
30684 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
30684 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5330-00-414-1119INTERCHANGEABLE
GASKET
7510-00-558-2422INTERCHANGEABLE
PEN CLEANER,LIQUID
5330-01-233-1350INTERCHANGEABLE
GASKET
30684
4820-01-337-9087INTERCHANGEABLE
VALVE,FLOW CONTROL
5998-01-341-3681INTERCHANGEABLE
RETAINER-EJECTOR,ELECTRICAL CARD
30684-1
5310-01-506-9137INTERCHANGEABLE
WASHER,LOCK
30684

Frequently Asked Questions

What is NSN 5306-00-551-6877?

NSN 5306-00-551-6877 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 5306-00-551-6877?

NSN 5306-00-551-6877 has 3 cross-referenced part numbers: 306841 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 30684 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 30684 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5306-00-551-6877?

There are 6 known substitutes for 5306-00-551-6877: 5330-00-414-1119, 7510-00-558-2422, 5330-01-233-1350 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 306841?

Key specifications for 306841: Thread Quantity Per Inch: 28; Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Features Provided: FINISHED HEAD; Head Height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN. 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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