PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1831C4C16Standoff,threaded,spacing

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-01-231-8552 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-231-8552 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-231-8552. Primary manufacturer part number: NAS1831C4C16.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Cross-Sectional Shape: HEXAGON
  • Length: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
  • Style Designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS
  • Specification/standard Data: 80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Width Across Flats: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
  • 13 verified cross-references
  • Primary manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-231-8552, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-231-8552
Primary Part NumberNAS1831C4C16
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
Cross-Sectional ShapeHEXAGON
Length0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
Style DesignatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
Specification/standard Data80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Width Across Flats0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5340-00-886-61568220SS0632-7 SUCCESSOR
Standoff,hinged,threaded
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5340-01-067-718912H4-06-X40C SUCCESSOR
Standoff,threaded,spacing
Positronic Industries Inc Div Amphenol Military Aerospace Operations
4730-00-264-9157 INTERCHANGEABLE
Coupling,tube
Cross-Reference Index
Part NumberManufacturer
JCM-15425-073 Zf Industrieantriebe Witten Gmbh (DEU)
10049909-1 Us Army Aviation and Missile Command (USA)
151581-24 Raytheon Company Dba Raytheon Co (USA)
NAS1831C4C16 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1831 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
8220-SS-0632 Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
8220-SS-0632 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
8161SS0632-7 Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
11437857-006 Us Army Aviation and Missile Command (USA)
74397-10 Zf Industrieantriebe Witten Gmbh (DEU)
952876-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
8220-SS-0632-7 Zf Industrieantriebe Witten Gmbh (DEU)
151581-24 Raytheon Company Div Corp (USA)
Related Parts
5340-00-886-6156SUCCESSOR
STANDOFF,HINGED,THREADED
8220SS0632-7
5340-01-067-7189SUCCESSOR
STANDOFF,THREADED,SPACING
12H4-06-X40C
4730-00-264-9157INTERCHANGEABLE
COUPLING,TUBE

Frequently Asked Questions

What is NSN 5340-01-231-8552?

NSN 5340-01-231-8552 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 5340-01-231-8552?

NSN 5340-01-231-8552 has 13 cross-referenced part numbers: JCM-15425-073 (Zf Industrieantriebe Witten Gmbh), 10049909-1 (Us Army Aviation and Missile Command), 151581-24 (Raytheon Company Dba Raytheon Co), NAS1831C4C16 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS1831 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 8 more.

What NSN replaces 5340-01-231-8552?

There are 3 known substitutes for 5340-01-231-8552: 5340-00-886-6156, 5340-01-067-7189, 4730-00-264-9157. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1831C4C16?

Key specifications for NAS1831C4C16: Cross-Sectional Shape: HEXAGON; Length: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN; Style Designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS; Specification/standard Data: 80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-231-8552 still in active supply?

NSN 5340-01-231-8552 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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