PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

325-8Nut,plain,hexagon

Stewart Avionics Inc · NSN 5310-01-027-5081 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-027-5081 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-027-5081. Primary manufacturer part number: 325-8.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 2B
  • Material: STEEL OVERALL
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 20
  • Nominal Thread Size: 0.500 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Thread Series: UNF
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 5310-01-027-5081, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stewart Avionics Inc. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-027-5081
Primary Part Number325-8
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerStewart Avionics Inc
StatusACTIVE
Thread Class2B
MaterialSTEEL OVERALL
Nut StyleHEXAGON
Thread Quantity Per Inch20
Nominal Thread Size0.500 INCHES IN
Bearing Surface TypeCHAMFERED
Thread SeriesUNF
Nut Height0.430 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Width Across Flats0.744 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-176-8171 INTERCHANGEABLE
Nut,plain,hexagon
5340-00-218-5907 INTERCHANGEABLE
Cap,protective,dust and Moisture
5360-00-321-5835316767 INTERCHANGEABLE
Spring,helical,torsion
Chrysler Realty Company Llc Dba Daimler Chrysler
5365-00-394-16103258 INTERCHANGEABLE
Shim
Avox Systems Inc Dba Avox Systems Inc
5310-00-685-2246 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-786-8781325-8 INTERCHANGEABLE
Nut,plain,hexagon
Saginaw Products Corporation Dba Cignys
5310-00-912-0470 INTERCHANGEABLE
Strip,locking
5975-00-935-9617 INTERCHANGEABLE
Mounting Base,electrical Equipme
1560-00-962-3579 INTERCHANGEABLE
Weight,hood Flap
2920-01-103-68514145360 INTERCHANGEABLE
Starter,engine,electrical
Chrysler Corp Service and Parts Opns
Cross-Reference Index
Part NumberManufacturer
325-8 PRIMARY Stewart Avionics Inc (USA)
Related Parts
5310-00-176-8171INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5340-00-218-5907INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
5360-00-321-5835INTERCHANGEABLE
SPRING,HELICAL,TORSION
316767
5365-00-394-1610INTERCHANGEABLE
SHIM
3258
5310-00-685-2246INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-786-8781INTERCHANGEABLE
NUT,PLAIN,HEXAGON
325-8
5310-00-912-0470INTERCHANGEABLE
STRIP,LOCKING
5975-00-935-9617INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
1560-00-962-3579INTERCHANGEABLE
WEIGHT,HOOD FLAP
2920-01-103-6851INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
4145360
4710-01-190-3006INTERCHANGEABLE
TUBE ASSEMBLY,METAL
32-58137-76
6515-01-463-6434INTERCHANGEABLE
DILATOR,ESOPHAGEAL
3258

Frequently Asked Questions

What is NSN 5310-01-027-5081?

NSN 5310-01-027-5081 is a Nut,plain,hexagon, manufactured by Stewart Avionics Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-027-5081?

NSN 5310-01-027-5081 has 1 cross-referenced part number: 325-8 (Stewart Avionics Inc).

What NSN replaces 5310-01-027-5081?

There are 12 known substitutes for 5310-01-027-5081: 5310-00-176-8171, 5340-00-218-5907, 5360-00-321-5835 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 325-8?

Key specifications for 325-8: Thread Class: 2B; Material: STEEL OVERALL; Nut Style: HEXAGON; 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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