PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1656Nut,plain,hexagon

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5310-00-208-9526 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-9526 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-9526. Primary manufacturer part number: 1656.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Thread Series: UNF
  • Bearing Surface Type: WASHER FACED
  • Thread Quantity Per Inch: 20
  • Nominal Thread Size: 0.500 INCHES IN
  • Thread Class: 3B
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-208-9526, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-208-9526
Primary Part Number1656
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
Width Across Flats0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread SeriesUNF
Bearing Surface TypeWASHER FACED
Thread Quantity Per Inch20
Nominal Thread Size0.500 INCHES IN
Thread Class3B
MaterialSTEEL OVERALL
Nut StyleHEXAGON
Nut Height0.578 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-071-94211656 INTERCHANGEABLE
Standoff,threaded,spacing
Keystone Electronics Corp
5905-00-106-7017 INTERCHANGEABLE
Resistor Set,matched
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
4730-00-321-6143 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
5330-00-409-44411656 INTERCHANGEABLE
Gasket
Aerosonic Llc
5307-00-423-76044001656-0 INTERCHANGEABLE
Stud,plain
Agco Corp Parts Opn
2920-00-622-37882084890 INTERCHANGEABLE
Armature,motor
Chrysler Realty Company Llc Dba Daimler Chrysler
Cross-Reference Index
Part NumberManufacturer
1656 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
1656 Hercules Engine Co Inc (USA)
Related Parts
5340-00-071-9421INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1656
5905-00-106-7017INTERCHANGEABLE
RESISTOR SET,MATCHED
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
4730-00-321-6143INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
5330-00-409-4441INTERCHANGEABLE
GASKET
1656
5307-00-423-7604INTERCHANGEABLE
STUD,PLAIN
4001656-0
2920-00-622-3788INTERCHANGEABLE
ARMATURE,MOTOR
2084890
2805-00-732-5185INTERCHANGEABLE
VALVE,POPPET,ENGINE
1945318
5325-00-754-2288INTERCHANGEABLE
GROMMET,NONMETALLIC

Frequently Asked Questions

What is NSN 5310-00-208-9526?

NSN 5310-00-208-9526 is a Nut,plain,hexagon, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-208-9526?

NSN 5310-00-208-9526 has 2 cross-referenced part numbers: 1656 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 1656 (Hercules Engine Co Inc).

What NSN replaces 5310-00-208-9526?

There are 12 known substitutes for 5310-00-208-9526: 5340-00-071-9421, 5905-00-106-7017, 5999-00-234-5815 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1656?

Key specifications for 1656: Width Across Flats: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Series: UNF; Bearing Surface Type: WASHER FACED; Thread Quantity Per Inch: 20. 10 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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