PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1656Standoff,threaded,spacing

Keystone Electronics Corp · NSN 5340-00-071-9421 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-071-9421 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-071-9421. Primary manufacturer part number: 1656.
Features
  • Standoff,threaded,spacing — FSC 5340
  • 5 verified cross-references
  • 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 5340-00-071-9421, 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. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Catalog Facts
Item NameStandoff,threaded,spacing
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersNew Haven Mfg Corp Amatom Electronic Hardware Div (CAGE 06540); Dialight Corporation (CAGE 83330); Keystone Electronics Corp (CAGE 91833); Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (CAGE 91967); Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (CAGE 1YGB8)
Successor NSN5340-00-165-1882 — No Item Name Available
Technical Specifications
ParameterValue
NSN5340-00-071-9421
Primary Part Number1656
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5905-00-106-7017 INTERCHANGEABLE
Resistor Set,matched
1680-00-191-48899051 INTERCHANGEABLE
Holder,cup,flight S
Anchor Fabricators Inc
5310-00-208-95261656 INTERCHANGEABLE
Nut,plain,hexagon
Brinkley Technology Group Llc Dba Hercules Manufacturing
6230-00-224-621322139 INTERCHANGEABLE
Light,desk
White O C Co
5999-00-234-5815 INTERCHANGEABLE
Contact,electrical
3455-00-236-3622 INTERCHANGEABLE
Reamer,machine
5996-00-267-1135 INTERCHANGEABLE
Amplifier,radio Frequency
4310-00-267-52081656 INTERCHANGEABLE
Ring,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5120-00-293-20865120-00-293-2086 INTERCHANGEABLE
Alignment Tool,electronic Equipm
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
8081B0440-3B New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
9051 Dialight Corporation (USA)
1656 PRIMARY Keystone Electronics Corp (USA)
9051 Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
8081B0440-3B Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
Related Parts
5340-00-165-1882SUCCESSOR
NO ITEM NAME AVAILABLE
5905-00-106-7017INTERCHANGEABLE
RESISTOR SET,MATCHED
1680-00-191-4889INTERCHANGEABLE
HOLDER,CUP,FLIGHT S
9051
5310-00-208-9526INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1656
6230-00-224-6213INTERCHANGEABLE
LIGHT,DESK
22139
5999-00-234-5815INTERCHANGEABLE
CONTACT,ELECTRICAL
3455-00-236-3622INTERCHANGEABLE
REAMER,MACHINE
5996-00-267-1135INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
4310-00-267-5208INTERCHANGEABLE
RING,PISTON
1656
5120-00-293-2086INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
5120-00-293-2086
4730-00-321-6143INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
5330-00-409-4441INTERCHANGEABLE
GASKET
1656

Frequently Asked Questions

What is NSN 5340-00-071-9421?

NSN 5340-00-071-9421 is a Standoff,threaded,spacing, manufactured by Keystone Electronics Corp, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-071-9421?

NSN 5340-00-071-9421 has 5 cross-referenced part numbers: 8081B0440-3B (New Haven Mfg Corp Amatom Electronic Hardware Div), 9051 (Dialight Corporation), 1656 (Keystone Electronics Corp), 9051 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 8081B0440-3B (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).

What NSN replaces 5340-00-071-9421?

There are 12 known substitutes for 5340-00-071-9421: 5340-00-165-1882, 5905-00-106-7017, 1680-00-191-4889 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5340-00-071-9421 still in active supply?

NSN 5340-00-071-9421 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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