PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

97491Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-167-4129 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-167-4129 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-167-4129. Primary manufacturer part number: 97491.
Features
  • Bolt,machine — FSC 5306
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Features Provided: FINISHED HEAD
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Width Between Flats: 0.500 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 18
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 5306-00-167-4129, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-167-4129
Primary Part Number97491
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Features ProvidedFINISHED HEAD
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Fastener Length1.000 INCHES NOMINAL IN
Width Between Flats0.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
Head Height0.240 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 8740 OVERALL
Thread Class3A A
Hole Diameter0.070 INCHES NOMINAL IN
Hole Configuration StyleHEXAGON LONGITUDINAL HOLE
Thread Length0.880 INCHES MINIMUM IN
Head StyleHEXAGON
Hole Quantity6
Hole TypeDRILLED
Nominal Thread Diameter0.312 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5935-00-129-3116SMB425575 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4140-00-580-7630 INTERCHANGEABLE
Impeller,fan,centrifugal
5905-01-086-601897-491 INTERCHANGEABLE
Resistor,voltage Sensitive
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
Cross-Reference Index
Part NumberManufacturer
97491 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
97491 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5935-00-129-3116INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
SMB425575
4140-00-580-7630INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
5905-01-086-6018INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
97-491

Frequently Asked Questions

What is NSN 5306-00-167-4129?

NSN 5306-00-167-4129 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 5306-00-167-4129?

NSN 5306-00-167-4129 has 2 cross-referenced part numbers: 97491 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 97491 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5306-00-167-4129?

There are 3 known substitutes for 5306-00-167-4129: 5935-00-129-3116, 4140-00-580-7630, 5905-01-086-6018. Verify interchangeability with system specifications before substitution.

What are the specifications of 97491?

Key specifications for 97491: Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Features Provided: FINISHED HEAD; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Fastener Length: 1.000 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-167-4129 still in active supply?

NSN 5306-00-167-4129 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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