PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1831C4B06Standoff,threaded,spacing

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-00-007-6108 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-007-6108 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-007-6108. Primary manufacturer part number: NAS1831C4B06.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Thread Quantity Per Inch: 40 RIGHT INTERNAL
  • Cross-Sectional Shape: HEXAGON
  • Cross-Sectional Length: 0.375 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
  • Nominal Thread Size: 0.112 INCHES RIGHT INTERNAL IN
  • Thread Class: 2B RIGHT INTERNAL
  • Width Across Flats: 0.250 INCHES NOMINAL IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-007-6108, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-007-6108
Primary Part NumberNAS1831C4B06
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Quantity Per Inch40 RIGHT INTERNAL
Cross-Sectional ShapeHEXAGON
Cross-Sectional Length0.375 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
Nominal Thread Size0.112 INCHES RIGHT INTERNAL IN
Thread Class2B RIGHT INTERNAL
Width Across Flats0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND RIGHT INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5340-01-067-718912H4-06-X40C SUCCESSOR
Standoff,threaded,spacing
Positronic Industries Inc Div Amphenol Military Aerospace Operations
5970-01-324-2052 INTERCHANGEABLE
Insulator,standoff
Cross-Reference Index
Part NumberManufacturer
P-521-M09-F09-440 Unicorp. (USA)
317-6478-012 Viking Technologies, Ltd. (USA)
007260-4-6 Designatronics Incorporated Div Sterling Instruments Div (USA)
317-6478-012 Viking Technologies, Ltd. (USA)
8213-SS-0440-7 Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
1921A Keystone Electronics Corp (USA)
8213-SS-0440-0 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
2102-440SS20 Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA)
ES-5222-2 Interconnection Products Inc (USA)
8213SS0440 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
NAS1831 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
8213-SS-0440 Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
NAS1831C4B06 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
R91GA406 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
753585-2 Bae Systems Information and Electronic Systems Integration Inc. (USA)
H50-0033-106 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
8213SS0440-7 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
922487 L3 Technologies, Inc. Div L3 Keo (USA)
CP15-2-22C04-06 Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions (USA)
Related Parts
5340-01-067-7189SUCCESSOR
STANDOFF,THREADED,SPACING
12H4-06-X40C
5970-01-324-2052INTERCHANGEABLE
INSULATOR,STANDOFF

Frequently Asked Questions

What is NSN 5340-00-007-6108?

NSN 5340-00-007-6108 is a Standoff,threaded,spacing, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-007-6108?

NSN 5340-00-007-6108 has 19 cross-referenced part numbers: P-521-M09-F09-440 (Unicorp.), 317-6478-012 (Viking Technologies, Ltd.), 007260-4-6 (Designatronics Incorporated Div Sterling Instruments Div), 317-6478-012 (Viking Technologies, Ltd.), 8213-SS-0440-7 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware) and 14 more.

What NSN replaces 5340-00-007-6108?

There are 2 known substitutes for 5340-00-007-6108: 5340-01-067-7189, 5970-01-324-2052. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1831C4B06?

Key specifications for NAS1831C4B06: Thread Quantity Per Inch: 40 RIGHT INTERNAL; Cross-Sectional Shape: HEXAGON; Special Features: MATERIAL: STEEL COMP 303 OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL;SURFACE TREATMENT: PASSIVATE OVERALL;SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Cross-Sectional Length: 0.375 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-007-6108 still in active supply?

NSN 5340-00-007-6108 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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