PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500018Bolt Assembly,clamp

Monadnock Company, the Dba Lisi Aerospace · NSN 5340-00-393-4078 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-393-4078 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-393-4078. Primary manufacturer part number: 500018.
Features
  • Bolt Assembly,clamp — FSC 5340
  • Thread Direction: RIGHT-HAND
  • Material: UNABLE TO DECODE
  • Mounting Method: PIN(S)
  • Thread Series Designator: UNF
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Quantity Per Inch: 28
  • Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Unable to Decode construction
General Description

The Bolt Assembly,clamp, cataloged under National Stock Number 5340-00-393-4078, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Monadnock Company, the Dba Lisi Aerospace. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-393-4078
Primary Part Number500018
Item NameBolt Assembly,clamp
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMonadnock Company, the Dba Lisi Aerospace
StatusACTIVE
Thread DirectionRIGHT-HAND
MaterialUNABLE TO DECODE
Mounting MethodPIN(S)
Thread Series DesignatorUNF
Nominal Thread Size0.250 INCHES IN
Thread Quantity Per Inch28
Thread Class3A A
Style DesignatorKNURLED NO. 2
Thread Length1.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-406-9707
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
Strike,catch
6220-00-117-3232500018 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Betts Industries, Inc.
6625-00-902-25980500-0018 INTERCHANGEABLE
Ammeter
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5330-01-223-8719500018 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Tr Engineering, Inc Div Tr Engineering Incorporated
5998-01-384-5684 INTERCHANGEABLE
Printed Circuit Board
Cross-Reference Index
Part NumberManufacturer
500018 Monadnock Company, the Dba Lisi Aerospace (USA)
M85731/1-7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10117352 Nimikkeistokeskus Ncb Finland (FIN)
MIL-F-85731/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ST9M454-4-3 The Boeing Company Div Defense (USA)
MIL-DTL-85731/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS14108-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5340-01-406-9707 Strike,catch
6220-00-117-3232INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
500018
6625-00-902-2598INTERCHANGEABLE
AMMETER
0500-0018
5330-01-223-8719INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
500018
5998-01-384-5684INTERCHANGEABLE
PRINTED CIRCUIT BOARD

Frequently Asked Questions

What is NSN 5340-00-393-4078?

NSN 5340-00-393-4078 is a Bolt Assembly,clamp, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-393-4078?

NSN 5340-00-393-4078 has 7 cross-referenced part numbers: 500018 (Monadnock Company, the Dba Lisi Aerospace), M85731/1-7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 10117352 (Nimikkeistokeskus Ncb Finland), MIL-F-85731/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ST9M454-4-3 (The Boeing Company Div Defense) and 2 more.

What NSN replaces 5340-00-393-4078?

There are 5 known substitutes for 5340-00-393-4078: 5340-01-406-9707, 6220-00-117-3232, 6625-00-902-2598 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500018?

Key specifications for 500018: Thread Direction: RIGHT-HAND; Material: UNABLE TO DECODE; Mounting Method: PIN(S); Thread Series Designator: UNF. 9 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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