PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123-30Standoff,threaded,spacing

Avionics Specialties, Inc. · NSN 5340-00-073-1757 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-073-1757 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-073-1757. Primary manufacturer part number: 123-30.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Material: STEEL STANDOFF
  • Flange Thickness: 0.294 INCHES NOMINAL IN
  • Length: 0.404 INCHES NOMINAL IN
  • Style Designator: FLANGED WITH LEFT INTERNAL THREAD
  • Flange Width Across Flats: 0.125 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Avionics Specialties, Inc.
Applications
  • Applications requiring Steel Standoff construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-073-1757, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-073-1757
Primary Part Number123-30
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAvionics Specialties, Inc.
StatusACTIVE
MaterialSTEEL STANDOFF
Flange Thickness0.294 INCHES NOMINAL IN
Length0.404 INCHES NOMINAL IN
Style DesignatorFLANGED WITH LEFT INTERNAL THREAD
Flange Width Across Flats0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5133-00-227-9673 INTERCHANGEABLE
Drill,twist
3030-00-288-5614B64-2 INTERCHANGEABLE
Belts,v,matched Set
Gates Corporation
5130-00-527-842312330 INTERCHANGEABLE
Blade,reciprocating Saw
Porter Cable/delta
5330-00-814-0643 INTERCHANGEABLE
Seal,plain Encased
5950-00-823-993212330 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
5120-00-935-7452 INTERCHANGEABLE
Socket,socket Wrench
5970-01-069-8922SMC1018 INTERCHANGEABLE
Insulator,plate
Serra Manufacturing Corporation Dba Serra Manufacturing
5360-01-269-059712330 INTERCHANGEABLE
Spring,helical,compression
Todd Combustion Inc
Cross-Reference Index
Part NumberManufacturer
123-30 PRIMARY Avionics Specialties, Inc. (USA)
Related Parts
5133-00-227-9673INTERCHANGEABLE
DRILL,TWIST
3030-00-288-5614INTERCHANGEABLE
BELTS,V,MATCHED SET
B64-2
5130-00-527-8423INTERCHANGEABLE
BLADE,RECIPROCATING SAW
12330
5330-00-814-0643INTERCHANGEABLE
SEAL,PLAIN ENCASED
5950-00-823-9932INTERCHANGEABLE
REACTOR
12330
5120-00-935-7452INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5970-01-069-8922INTERCHANGEABLE
INSULATOR,PLATE
SMC1018
5360-01-269-0597INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12330

Frequently Asked Questions

What is NSN 5340-00-073-1757?

NSN 5340-00-073-1757 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 5340-00-073-1757?

NSN 5340-00-073-1757 has 1 cross-referenced part number: 123-30 (Avionics Specialties, Inc.).

What NSN replaces 5340-00-073-1757?

There are 8 known substitutes for 5340-00-073-1757: 5133-00-227-9673, 3030-00-288-5614, 5130-00-527-8423 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 123-30?

Key specifications for 123-30: Material: STEEL STANDOFF; Flange Thickness: 0.294 INCHES NOMINAL IN; Length: 0.404 INCHES NOMINAL IN; Style Designator: FLANGED WITH LEFT INTERNAL THREAD. 5 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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