PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6345Nut,plain,hexagon

Telemechanics Inc · NSN 5310-00-515-7320 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-515-7320 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-515-7320. Primary manufacturer part number: 6345.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.094 INCHES NOMINAL IN
  • Bearing Surface Type: CHAMFERED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.164 INCHES IN
  • Thread Quantity Per Inch: 32
  • Material: STEEL OVERALL
  • Nut Style: HEXAGON
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 5310-00-515-7320, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-515-7320
Primary Part Number6345
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Nut Height0.094 INCHES NOMINAL IN
Bearing Surface TypeCHAMFERED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.164 INCHES IN
Thread Quantity Per Inch32
MaterialSTEEL OVERALL
Nut StyleHEXAGON
Width Across Flats0.250 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Thread DirectionRIGHT-HAND
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6515-00-137-63456345 INTERCHANGEABLE
Plug,ear
Access: Supports for Living Inc. Dba Access Supports for Living Inc
5310-00-141-32106345 INTERCHANGEABLE
Washer,flat
Moog Inc
8345-00-233-2915 INTERCHANGEABLE
Flag,national
4730-00-235-144458A2511 INTERCHANGEABLE
Elbow,tube
Chase Industries, Inc. Dba Chase Doors Div Chase Doors
8345-00-247-0385 INTERCHANGEABLE
Flag,national
8345-00-261-2953 INTERCHANGEABLE
Flag,national
8345-00-264-2625 INTERCHANGEABLE
Flag,national
5310-00-275-5484323615PC3 INTERCHANGEABLE
Nut,plain,hexagon
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-556-3373 INTERCHANGEABLE
Resistor,current Regulating
7025-01-292-07576682G-JA INTERCHANGEABLE
Terminal,data Processing
Data General Corporation
Cross-Reference Index
Part NumberManufacturer
6345 At and T Corp (USA)
6345 PRIMARY Telemechanics Inc (USA)
6345 American Telephone and Telegraph Co (USA)
Related Parts
6515-00-137-6345INTERCHANGEABLE
PLUG,EAR
6345
5310-00-141-3210INTERCHANGEABLE
WASHER,FLAT
6345
8345-00-233-2915INTERCHANGEABLE
FLAG,NATIONAL
4730-00-235-1444INTERCHANGEABLE
ELBOW,TUBE
58A2511
8345-00-247-0385INTERCHANGEABLE
FLAG,NATIONAL
8345-00-261-2953INTERCHANGEABLE
FLAG,NATIONAL
8345-00-264-2625INTERCHANGEABLE
FLAG,NATIONAL
5310-00-275-5484INTERCHANGEABLE
NUT,PLAIN,HEXAGON
323615PC3
5905-00-556-3373INTERCHANGEABLE
RESISTOR,CURRENT REGULATING
7025-01-292-0757INTERCHANGEABLE
TERMINAL,DATA PROCESSING
6682G-JA
5945-01-299-3606INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6461
6105-01-375-1519INTERCHANGEABLE
MOTOR,DIRECT CURRENT
J6345

Frequently Asked Questions

What is NSN 5310-00-515-7320?

NSN 5310-00-515-7320 is a Nut,plain,hexagon, manufactured by Telemechanics Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-515-7320?

NSN 5310-00-515-7320 has 3 cross-referenced part numbers: 6345 (At and T Corp), 6345 (Telemechanics Inc), 6345 (American Telephone and Telegraph Co).

What NSN replaces 5310-00-515-7320?

There are 12 known substitutes for 5310-00-515-7320: 6515-00-137-6345, 5310-00-141-3210, 8345-00-233-2915 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6345?

Key specifications for 6345: Nut Height: 0.094 INCHES NOMINAL IN; Bearing Surface Type: CHAMFERED; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.164 INCHES IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-515-7320 still in active supply?

NSN 5310-00-515-7320 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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