PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1831A6E28Standoff,threaded,spacing

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-01-248-2878 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-248-2878 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-248-2878. Primary manufacturer part number: NAS1831A6E28.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Specification/standard Data: 80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS
  • Width Across Flats: 0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
  • Cross-Sectional Shape: HEXAGON
  • Length: 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN
  • 5 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 5340-01-248-2878, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-248-2878
Primary Part NumberNAS1831A6E28
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
Specification/standard Data80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
Width Across Flats0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
Cross-Sectional ShapeHEXAGON
Length1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5340-00-547-36358589-A-1032-1B SUCCESSOR
Standoff,threaded,spacing
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
6625-00-021-820255-08470 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
5975-00-176-9028 INTERCHANGEABLE
Cover,junction Box
5950-00-648-0068 INTERCHANGEABLE
Coil,radio Frequency
5960-00-903-285266B898 INTERCHANGEABLE
Electron Tube
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5962-01-123-8132GC852S1 INTERCHANGEABLE
Microcircuit,digital-Linear
Northrop Grumman Systems Corporation
6145-01-425-54748470 INTERCHANGEABLE
Cable,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5340-01-607-74298470 INTERCHANGEABLE
Boot,dust and Moisture Seal
Plastic Dip Moldings Inc
Cross-Reference Index
Part NumberManufacturer
540-9744-003 Alcatel-Lucent Holdings Inc. (USA)
8470 Smith H H Co (USA)
210-1004P45 Zf Industrieantriebe Witten Gmbh (DEU)
NAS1831 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1831A6E28 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5340-00-937-1499SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-547-3635SUCCESSOR
STANDOFF,THREADED,SPACING
8589-A-1032-1B
5340-01-067-7189SUCCESSOR
STANDOFF,THREADED,SPACING
12H4-06-X40C
6625-00-021-8202INTERCHANGEABLE
VOLTMETER
55-08470
5975-00-176-9028INTERCHANGEABLE
COVER,JUNCTION BOX
5950-00-648-0068INTERCHANGEABLE
COIL,RADIO FREQUENCY
5960-00-903-2852INTERCHANGEABLE
ELECTRON TUBE
66B898
5962-01-123-8132INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
GC852S1
6145-01-425-5474INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
8470
5340-01-607-7429INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
8470
5120-01-610-4990INTERCHANGEABLE
WRENCH,TORQUE
8470-01-659-7655INTERCHANGEABLE
HELMET,GROUND TROOPS'

Frequently Asked Questions

What is NSN 5340-01-248-2878?

NSN 5340-01-248-2878 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 5340-01-248-2878?

NSN 5340-01-248-2878 has 5 cross-referenced part numbers: 540-9744-003 (Alcatel-Lucent Holdings Inc.), 8470 (Smith H H Co), 210-1004P45 (Zf Industrieantriebe Witten Gmbh), NAS1831 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS1831A6E28 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5340-01-248-2878?

There are 12 known substitutes for 5340-01-248-2878: 5340-00-937-1499, 5340-00-547-3635, 5340-01-067-7189 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1831A6E28?

Key specifications for NAS1831A6E28: Specification/standard Data: 80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Style Designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS; Width Across Flats: 0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN; Cross-Sectional Shape: HEXAGON. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-248-2878 still in active supply?

NSN 5340-01-248-2878 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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