PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1831-4C13Standoff,threaded,spacing

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-01-437-2808 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-437-2808 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-437-2808. Primary manufacturer part number: NAS1831-4C13.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Length: 0.808 INCHES MINIMUM AND 0.818 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
  • Cross-Sectional Shape: HEXAGON
  • 3 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 5340-01-437-2808, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-437-2808
Primary Part NumberNAS1831-4C13
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
Length0.808 INCHES MINIMUM AND 0.818 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
Cross-Sectional ShapeHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
No Item Name Available
5340-01-067-718912H4-06-X40C SUCCESSOR
Standoff,threaded,spacing
Positronic Industries Inc Div Amphenol Military Aerospace Operations
2530-00-088-953111677982 INTERCHANGEABLE
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3110-00-103-9271 INTERCHANGEABLE
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5930-00-296-9713 INTERCHANGEABLE
Switch,toggle
6110-00-310-87092677238 INTERCHANGEABLE
Regulator,voltage
Naval Sea Systems Command
2530-00-391-4363 INTERCHANGEABLE
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5805-01-036-8153A91-010002 INTERCHANGEABLE
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5355-01-253-5147909-1 INTERCHANGEABLE
Knob
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Cross-Reference Index
Part NumberManufacturer
9091 Dialight Corporation (USA)
NAS1831 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1831-4C13 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5340-01-137-4170SUCCESSOR
NO ITEM NAME AVAILABLE
5340-01-067-7189SUCCESSOR
STANDOFF,THREADED,SPACING
12H4-06-X40C
2530-00-088-9531INTERCHANGEABLE
PAD,TRACK SHOE
11677982
3110-00-103-9271INTERCHANGEABLE
BEARING,BALL,THRUST
5930-00-296-9713INTERCHANGEABLE
SWITCH,TOGGLE
6110-00-310-8709INTERCHANGEABLE
REGULATOR,VOLTAGE
2677238
2530-00-391-4363INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5805-01-036-8153INTERCHANGEABLE
BLAMK APPARATUS
A91-010002
5962-01-154-6923INTERCHANGEABLE
MICROCIRCUIT,LINEAR
9955
5355-01-253-5147INTERCHANGEABLE
KNOB
909-1
5330-01-546-6742INTERCHANGEABLE
RETAINER,PACKING
9091

Frequently Asked Questions

What is NSN 5340-01-437-2808?

NSN 5340-01-437-2808 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 5340-01-437-2808?

NSN 5340-01-437-2808 has 3 cross-referenced part numbers: 9091 (Dialight Corporation), NAS1831 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS1831-4C13 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5340-01-437-2808?

There are 11 known substitutes for 5340-01-437-2808: 5340-01-137-4170, 5340-01-067-7189, 2530-00-088-9531 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1831-4C13?

Key specifications for NAS1831-4C13: Length: 0.808 INCHES MINIMUM AND 0.818 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. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-437-2808 still in active supply?

NSN 5340-01-437-2808 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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