PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4145Standoff,threaded,spacing

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5340-01-131-2544 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-131-2544 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-131-2544. Primary manufacturer part number: 4145.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Surface Treatment: NICKEL OVERALL
  • Material: COPPER ALLOY OVERALL
  • Thread Length: 0.625 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
  • Cross-Sectional Shape: HEXAGON
  • Width Across Flats: 0.250 INCHES NOMINAL IN
  • Length: 0.625 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-131-2544, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 6 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-01-131-2544
Primary Part Number4145
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusACTIVE
Surface TreatmentNICKEL OVERALL
MaterialCOPPER ALLOY OVERALL
Thread Length0.625 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
Cross-Sectional ShapeHEXAGON
Width Across Flats0.250 INCHES NOMINAL IN
Length0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5910-00-110-32179420-14-90029 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Pax Mfg Corp Hammarlund Mfg Co Div
5305-00-349-94334145 INTERCHANGEABLE
Screw,upper Cap
Wakmann Watch Company Inc
4730-00-476-7143 INTERCHANGEABLE
Elbow,pipe
5998-00-489-0604 INTERCHANGEABLE
Printed Wiring Board
6625-00-532-29051380 INTERCHANGEABLE
Voltmeter
Jewell Instruments Llc
5815-00-945-6437 INTERCHANGEABLE
Carriage Adjustment
4920-01-351-84514145 INTERCHANGEABLE
Test Set Subassembly,aircraft Co
Electro Optical Industries Inc
8040-01-368-7769 INTERCHANGEABLE
Adhesive
Cross-Reference Index
Part NumberManufacturer
4145 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
4145 Dialight Corporation (USA)
Related Parts
5910-00-110-3217INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
9420-14-90029
5305-00-349-9433INTERCHANGEABLE
SCREW,UPPER CAP
4145
4730-00-476-7143INTERCHANGEABLE
ELBOW,PIPE
5998-00-489-0604INTERCHANGEABLE
PRINTED WIRING BOARD
6625-00-532-2905INTERCHANGEABLE
VOLTMETER
1380
5815-00-945-6437INTERCHANGEABLE
CARRIAGE ADJUSTMENT
4920-01-351-8451INTERCHANGEABLE
TEST SET SUBASSEMBLY,AIRCRAFT CO
4145
8040-01-368-7769INTERCHANGEABLE
ADHESIVE

Frequently Asked Questions

What is NSN 5340-01-131-2544?

NSN 5340-01-131-2544 is a Standoff,threaded,spacing, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-131-2544?

NSN 5340-01-131-2544 has 2 cross-referenced part numbers: 4145 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 4145 (Dialight Corporation).

What NSN replaces 5340-01-131-2544?

There are 8 known substitutes for 5340-01-131-2544: 5910-00-110-3217, 5305-00-349-9433, 4730-00-476-7143 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4145?

Key specifications for 4145: Surface Treatment: NICKEL OVERALL; Material: COPPER ALLOY OVERALL; Special Features: PROJECTION INCLUDES A COUNTERBORE 0.154 IN. MIN 0.158 IN. MAX DIA; COUNTERSUNK 120 DEG,0.010 IN. DEEP IN; Thread Length: 0.625 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN. 7 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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