PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1957Standoff,threaded,spacing

Keystone Electronics Corp · NSN 5340-01-212-9318 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-212-9318 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-212-9318. Primary manufacturer part number: 1957.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
  • Width Across Flats: 0.250 INCHES NOMINAL IN
  • Cross-Sectional Shape: HEXAGON
  • Length: 0.500 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Keystone Electronics Corp
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-212-9318, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keystone Electronics Corp. Government technical data includes 4 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-212-9318
Primary Part Number1957
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
Style DesignatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
Width Across Flats0.250 INCHES NOMINAL IN
Cross-Sectional ShapeHEXAGON
Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
7490-00-153-9685 INTERCHANGEABLE
Address Plate Machine
5962-00-186-85162868672-1 INTERCHANGEABLE
Microcircuit,linear
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6150-00-246-66731957 INTERCHANGEABLE
Cable Assembly,power,electrical
Doers Associates Llc
4730-00-466-9409 INTERCHANGEABLE
Fitting,lubrication
5365-00-485-8291 INTERCHANGEABLE
Ring,externally Threaded
4140-00-493-9627 INTERCHANGEABLE
Impeller,fan,axial
5905-00-539-4565 INTERCHANGEABLE
Resistor,fixed,film
2910-01-005-60231957 INTERCHANGEABLE
Fuel Line Assembly
Textron Lycoming Inc Williamsport Plant
5310-01-176-398395-81108 INTERCHANGEABLE
Washer,flat
Cnh Industrial America Llc Dba Cnh America
6105-01-570-90201957 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Buffalo Turbine Defense Llc
Cross-Reference Index
Part NumberManufacturer
1957 PRIMARY Keystone Electronics Corp (USA)
Related Parts
7490-00-153-9685INTERCHANGEABLE
ADDRESS PLATE MACHINE
5962-00-186-8516INTERCHANGEABLE
MICROCIRCUIT,LINEAR
2868672-1
6150-00-246-6673INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
1957
4730-00-466-9409INTERCHANGEABLE
FITTING,LUBRICATION
5365-00-485-8291INTERCHANGEABLE
RING,EXTERNALLY THREADED
4140-00-493-9627INTERCHANGEABLE
IMPELLER,FAN,AXIAL
5905-00-539-4565INTERCHANGEABLE
RESISTOR,FIXED,FILM
2910-01-005-6023INTERCHANGEABLE
FUEL LINE ASSEMBLY
1957
5310-01-176-3983INTERCHANGEABLE
WASHER,FLAT
95-81108
6105-01-570-9020INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
1957

Frequently Asked Questions

What is NSN 5340-01-212-9318?

NSN 5340-01-212-9318 is a Standoff,threaded,spacing, manufactured by Keystone Electronics Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-212-9318?

NSN 5340-01-212-9318 has 1 cross-referenced part number: 1957 (Keystone Electronics Corp).

What NSN replaces 5340-01-212-9318?

There are 10 known substitutes for 5340-01-212-9318: 7490-00-153-9685, 5962-00-186-8516, 6150-00-246-6673 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1957?

Key specifications for 1957: Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD; Width Across Flats: 0.250 INCHES NOMINAL IN; Cross-Sectional Shape: HEXAGON; Length: 0.500 INCHES NOMINAL IN. 4 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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