PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

615721Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-097-6872 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-097-6872 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-097-6872. Primary manufacturer part number: 615721.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
  • Extended Washer Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD
  • Hole Quantity: 4
  • Fastener Length: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Hole Diameter: 0.070 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Alloy 660 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-097-6872, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-097-6872
Primary Part Number615721
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Length0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
Extended Washer Diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Surface Finish63.0 MICROINCHES BEARING SURFACE OF HEAD
Hole Quantity4
Fastener Length0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Hole Diameter0.070 INCHES NOMINAL IN
Material Document and ClassificationAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Class3A A
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Features ProvidedFINISHED HEAD
Surface TreatmentSILVER OVERALL
Head StyleDOUBLE HEXAGON W/HOLE
MaterialIRON ALLOY 660 OVERALL
Head Height0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Nominal Thread Diameter0.190 INCHES IN
Hole Configuration StyleROUND
Precious MaterialSILVER
Hole TypeDRILLED
Width Between Flats0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Extended Washer Thickness0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-017-3742 INTERCHANGEABLE
Contact Positioner,terminal Crim
Cross-Reference Index
Part NumberManufacturer
615721 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5120-00-017-3742INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM

Frequently Asked Questions

What is NSN 5306-00-097-6872?

NSN 5306-00-097-6872 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 5306-00-097-6872?

NSN 5306-00-097-6872 has 1 cross-referenced part number: 615721 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5306-00-097-6872?

There is 1 known substitute for 5306-00-097-6872: 5120-00-017-3742. Verify interchangeability with system specifications before substitution.

What are the specifications of 615721?

Key specifications for 615721: Thread Length: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN; Extended Washer Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Hole Quantity: 4. 23 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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