PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6166508Bolt,machine

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5306-00-270-7371 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-270-7371 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-270-7371. Primary manufacturer part number: 6166508.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 32
  • Thread Class: 3A A
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.500 INCHES MINIMUM IN
  • Fastener Length: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Material: STEEL COMP 1212 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1212 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-270-7371, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-270-7371
Primary Part Number6166508
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Thread Quantity Per Inch32
Thread Class3A A
Thread DirectionRIGHT-HAND
Thread Length0.500 INCHES MINIMUM IN
Fastener Length0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
Head StyleHEXAGON
MaterialSTEEL COMP 1212 OVERALL
Material Document and ClassificationAMS 5010 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Grip Length0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Head Height0.015 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Nominal Thread Diameter0.190 INCHES IN
Width Between Flats0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6530-01-506-0187 (10-1525)
HAZMATNo
Verified Substitutes 8
6530-01-506-018710-1525 SUCCESSOR
Jar,screw Cap
Sklar Corporation Dba Sklar Instruments
5826-00-010-1527101525 INTERCHANGEABLE
Dial and Shaft Assembly
Astronautics Corporation of America
2930-00-629-2052101525 INTERCHANGEABLE
Water Outlet,engine
Airtex Products Div of Uis Inc
5330-01-166-193910-101949-20 INTERCHANGEABLE
Gasket
Moog Inc.
5998-01-221-1067 INTERCHANGEABLE
Circuit Card Assembly
5930-01-370-6421 INTERCHANGEABLE
Switch,toggle
5999-01-491-6862101525 INTERCHANGEABLE
Cap,electrical
Biologic Systems Corp
4820-01-667-3544101-525 INTERCHANGEABLE
Valve,ball
Legend Valve and Fitting Inc
Cross-Reference Index
Part NumberManufacturer
10-1525 Amphenol Corp Div Amphenol Aerospace Operations (USA)
10-1525 Continental Aerospace Technologies, Inc. (USA)
6166508 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
10-1525 Unison Industries Llc (USA)
Related Parts
SUCCESSOR 6530-01-506-0187 Jar,screw Cap · 10-1525
5826-00-010-1527INTERCHANGEABLE
DIAL AND SHAFT ASSEMBLY
101525
2930-00-629-2052INTERCHANGEABLE
WATER OUTLET,ENGINE
101525
5330-01-166-1939INTERCHANGEABLE
GASKET
10-101949-20
5998-01-221-1067INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-01-370-6421INTERCHANGEABLE
SWITCH,TOGGLE
5999-01-491-6862INTERCHANGEABLE
CAP,ELECTRICAL
101525
4820-01-667-3544INTERCHANGEABLE
VALVE,BALL
101-525

Frequently Asked Questions

What is NSN 5306-00-270-7371?

NSN 5306-00-270-7371 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-270-7371?

NSN 5306-00-270-7371 has 4 cross-referenced part numbers: 10-1525 (Amphenol Corp Div Amphenol Aerospace Operations), 10-1525 (Continental Aerospace Technologies, Inc.), 6166508 (U S Army Tank Automotive Command Amsta-Im-Mm), 10-1525 (Unison Industries Llc).

What NSN replaces 5306-00-270-7371?

There are 8 known substitutes for 5306-00-270-7371: 6530-01-506-0187, 5826-00-010-1527, 2930-00-629-2052 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6166508?

Key specifications for 6166508: Thread Quantity Per Inch: 32; Thread Class: 3A A; Thread Direction: RIGHT-HAND; Thread Length: 0.500 INCHES MINIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-270-7371 still in active supply?

NSN 5306-00-270-7371 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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