PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6273AStandoff,threaded,spacing

Belfort Instrument Company · NSN 5340-00-837-0507 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-837-0507 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-837-0507. Primary manufacturer part number: 6273A.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Style Designator: LEFT INTERNAL THREAD
  • Length: 3.125 INCHES NOMINAL IN
  • Diameter: 0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
  • Cross-Sectional Shape: ROUND
  • Thread Length: 0.625 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
Applications
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-837-0507, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Belfort Instrument Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-837-0507
Primary Part Number6273A
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBelfort Instrument Company
StatusACTIVE
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 303 OVERALL
Style DesignatorLEFT INTERNAL THREAD
Length3.125 INCHES NOMINAL IN
Diameter0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
Cross-Sectional ShapeROUND
Thread Length0.625 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-084-2663 (6273)
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
5340-01-084-26636273 SUCCESSOR
Caster,swivel
Saginaw Products Corporation Dba Cignys
6110-01-187-33156273 SUCCESSOR
Contactor,magnetic
Wheeler Fleet Solutions, Co.
5365-00-134-89626273 INTERCHANGEABLE
Ring,quad
Tyco Fire Products Lp
6220-00-137-61366273 INTERCHANGEABLE
Lens,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5930-00-253-74500481214 INTERCHANGEABLE
Switch,push-Pull
Agco Corp Parts Opn
4730-00-416-0470 INTERCHANGEABLE
Adapter,straight,pipe to Tube
3020-00-696-6167A6273 INTERCHANGEABLE
Gear,spur
Aerocontrolex Group, Inc. Div Talley Actuators
7510-00-924-6350 INTERCHANGEABLE
Ink,recording Instrument
4310-00-980-56106273-X INTERCHANGEABLE
Plug and Tube Assembly,oil Inlet
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5999-01-069-50356273 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
6273A PRIMARY Belfort Instrument Company (USA)
6273 Belfort Instrument Company (USA)
Related Parts
SUCCESSOR 5340-01-084-2663 Caster,swivel · 6273
6110-01-187-3315SUCCESSOR
CONTACTOR,MAGNETIC
6273
5365-00-134-8962INTERCHANGEABLE
RING,QUAD
6273
6220-00-137-6136INTERCHANGEABLE
LENS,LIGHT
6273
5930-00-253-7450INTERCHANGEABLE
SWITCH,PUSH-PULL
0481214
4730-00-416-0470INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
3020-00-696-6167INTERCHANGEABLE
GEAR,SPUR
A6273
7510-00-924-6350INTERCHANGEABLE
INK,RECORDING INSTRUMENT
4310-00-980-5610INTERCHANGEABLE
PLUG AND TUBE ASSEMBLY,OIL INLET
6273-X
5999-01-069-5035INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
6273
6145-01-573-0870INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
6273

Frequently Asked Questions

What is NSN 5340-00-837-0507?

NSN 5340-00-837-0507 is a Standoff,threaded,spacing, manufactured by Belfort Instrument Company, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-837-0507?

NSN 5340-00-837-0507 has 2 cross-referenced part numbers: 6273A (Belfort Instrument Company), 6273 (Belfort Instrument Company).

What NSN replaces 5340-00-837-0507?

There are 11 known substitutes for 5340-00-837-0507: 5340-01-084-2663, 6110-01-187-3315, 5365-00-134-8962 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6273A?

Key specifications for 6273A: Special Features: 0.340 IN. DIA I.D. THRU-HOLE IN; Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 303 OVERALL; Style Designator: LEFT INTERNAL THREAD. 8 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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