PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-187165Bolt,eccentric Head

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5306-00-591-0870 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-591-0870 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-591-0870. Primary manufacturer part number: SM-B-187165.
Features
  • Bolt,eccentric Head — FSC 5306
  • Thread Series Designator: UNF
  • Material: STEEL COMP 303 OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Fastener Length: 0.219 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Head Height: 0.078 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 40
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Bolt,eccentric Head, cataloged under National Stock Number 5306-00-591-0870, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 11 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: Active.

Technical Specifications
ParameterValue
NSN5306-00-591-0870
Primary Part NumberSM-B-187165
Item NameBolt,eccentric Head
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Thread Series DesignatorUNF
MaterialSTEEL COMP 303 OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Fastener Length0.219 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Head Height0.078 INCHES NOMINAL IN
Thread Quantity Per Inch40
Nominal Thread Diameter0.138 INCHES IN
Width Between Flats0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5360-00-086-781655738 INTERCHANGEABLE
Spring,helical,compression
Hydro-Aire Aerospace Corp
5120-00-221-11175120-00-221-1117 INTERCHANGEABLE
Vise,machinist's
General Services Administration Federal Supply Service
2810-01-656-437055738 INTERCHANGEABLE
Pin,piston
Malabar
Cross-Reference Index
Part NumberManufacturer
55738 Kleinschmidt Inc (USA)
SM-B-187165 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5360-00-086-7816INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
55738
5120-00-221-1117INTERCHANGEABLE
VISE,MACHINIST'S
5120-00-221-1117
2810-01-656-4370INTERCHANGEABLE
PIN,PISTON
55738

Frequently Asked Questions

What is NSN 5306-00-591-0870?

NSN 5306-00-591-0870 is a Bolt,eccentric Head, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-591-0870?

NSN 5306-00-591-0870 has 2 cross-referenced part numbers: 55738 (Kleinschmidt Inc), SM-B-187165 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5306-00-591-0870?

There are 3 known substitutes for 5306-00-591-0870: 5360-00-086-7816, 5120-00-221-1117, 2810-01-656-4370. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-187165?

Key specifications for SM-B-187165: Thread Series Designator: UNF; Material: STEEL COMP 303 OVERALL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Fastener Length: 0.219 INCHES NOMINAL IN. 12 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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