PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123-1346Standoff,threaded,spacing

Avionics Specialties, Inc. · NSN 5340-01-275-0373 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-275-0373 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-275-0373. Primary manufacturer part number: 123-1346.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Cross-Sectional Shape: HEXAGON
  • Style Designator: GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
  • Length: 0.767 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN
  • Material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL
  • Distance From End to Groove: 0.175 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Groove Diameter: 0.180 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 303SE Overall construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-275-0373, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Avionics Specialties, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-275-0373
Primary Part Number123-1346
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAvionics Specialties, Inc.
StatusACTIVE
Cross-Sectional ShapeHEXAGON
Style DesignatorGROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
Length0.767 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
Distance From End to Groove0.175 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Groove Diameter0.180 INCHES NOMINAL IN
Smaller Groove Diameter0.164 INCHES NOMINAL IN
Material Document and ClassificationASTM A582, TYPE 303 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A582, TYPE 303SE ASSN STD 2ND MATERIAL RESPONSE OVERALL
Thread Length0.156 INCHES MINIMUM RIGHT EXTERNAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Smaller Groove Width0.124 INCHES NOMINAL IN
Width Across Flats0.250 INCHES NOMINAL IN
Thread Length0.250 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
Groove Width0.460 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
3110-00-554-2976A246405A INTERCHANGEABLE
Bearing,ball,annular
Chrysler Realty Company Llc Dba Daimler Chrysler
Cross-Reference Index
Part NumberManufacturer
10163938 Nimikkeistokeskus Ncb Finland (FIN)
123-1346 PRIMARY Avionics Specialties, Inc. (USA)
Related Parts
3110-00-554-2976INTERCHANGEABLE
BEARING,BALL,ANNULAR
A246405A

Frequently Asked Questions

What is NSN 5340-01-275-0373?

NSN 5340-01-275-0373 is a Standoff,threaded,spacing, manufactured by Avionics Specialties, Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-275-0373?

NSN 5340-01-275-0373 has 2 cross-referenced part numbers: 10163938 (Nimikkeistokeskus Ncb Finland), 123-1346 (Avionics Specialties, Inc.).

What NSN replaces 5340-01-275-0373?

There is 1 known substitute for 5340-01-275-0373: 3110-00-554-2976. Verify interchangeability with system specifications before substitution.

What are the specifications of 123-1346?

Key specifications for 123-1346: Cross-Sectional Shape: HEXAGON; Style Designator: GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD; Length: 0.767 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN; Material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL. 15 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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