PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

325-6Nut,plain,hexagon

Stewart Avionics Inc · NSN 5310-01-027-6312 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-027-6312 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-027-6312. Primary manufacturer part number: 325-6.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Series: UNF
  • Nominal Thread Size: 0.375 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Thread Quantity Per Inch: 24
  • Nut Height: 0.328 INCHES NOMINAL IN
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 5310-01-027-6312, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-027-6312
Primary Part Number325-6
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerStewart Avionics Inc
StatusACTIVE
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Thread SeriesUNF
Nominal Thread Size0.375 INCHES IN
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch24
Nut Height0.328 INCHES NOMINAL IN
Thread Class2B
Width Across Flats0.564 INCHES NOMINAL IN
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5325-00-063-91003256 INTERCHANGEABLE
Ring,retaining
The Bechdon Company, Llc
6350-00-442-5690325-6C5 INTERCHANGEABLE
Bell,electrical
Edwards Signaling and Security Systems a Part of Ge Security
5310-00-620-8201 INTERCHANGEABLE
Nut,plain,hexagon
2530-00-678-5128 INTERCHANGEABLE
Cylinder,hydraulic Brake,wheel
6145-00-800-598522171 INTERCHANGEABLE
Cable,special Purpose,electrical
Champlain Cable Leeds Corporation
5930-00-841-801025-03282-1A INTERCHANGEABLE
Switch,rotary
Ballantine Laboratories Inc
5310-01-004-0837325-6 INTERCHANGEABLE
Nut,plain,hexagon
Metadure Parts & Sales, Inc.
5920-01-097-01483256 INTERCHANGEABLE
Fuseholder
Crown Audio, Inc. Dba Crown International
5310-01-107-7689 INTERCHANGEABLE
Nut
5950-01-396-18943256 INTERCHANGEABLE
Transformer,power
Corona Magnetics, Inc. Dba C M I
Cross-Reference Index
Part NumberManufacturer
325-6 PRIMARY Stewart Avionics Inc (USA)
Related Parts
5325-00-063-9100INTERCHANGEABLE
RING,RETAINING
3256
6350-00-442-5690INTERCHANGEABLE
BELL,ELECTRICAL
325-6C5
5310-00-620-8201INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2530-00-678-5128INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,WHEEL
6145-00-800-5985INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
22171
5930-00-841-8010INTERCHANGEABLE
SWITCH,ROTARY
25-03282-1A
5310-01-004-0837INTERCHANGEABLE
NUT,PLAIN,HEXAGON
325-6
5920-01-097-0148INTERCHANGEABLE
FUSEHOLDER
3256
5310-01-107-7689INTERCHANGEABLE
NUT
5950-01-396-1894INTERCHANGEABLE
TRANSFORMER,POWER
3256
4730-01-488-6448INTERCHANGEABLE
OUTLET,TUBE

Frequently Asked Questions

What is NSN 5310-01-027-6312?

NSN 5310-01-027-6312 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 5310-01-027-6312?

NSN 5310-01-027-6312 has 1 cross-referenced part number: 325-6 (Stewart Avionics Inc).

What NSN replaces 5310-01-027-6312?

There are 11 known substitutes for 5310-01-027-6312: 5325-00-063-9100, 6350-00-442-5690, 5310-00-620-8201 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 325-6?

Key specifications for 325-6: Material: STEEL OVERALL; Thread Direction: RIGHT-HAND; Thread Series: UNF; Nominal Thread Size: 0.375 INCHES IN. 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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