PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5167676Nut,plain,extended Washer,hexago

Naval Sea Systems Command · NSN 5310-01-399-0462 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-399-0462 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-399-0462. Primary manufacturer part number: 5167676.
Features
  • Nut,plain,extended Washer,hexago — FSC 5310
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Washer Outside Diameter: 0.900 INCHES NOMINAL IN
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.680 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-399-0462, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-399-0462
Primary Part Number5167676
Item NameNut,plain,extended Washer,hexago
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Washer Outside Diameter0.900 INCHES NOMINAL IN
Nominal Thread Size0.375 INCHES IN
Thread Class2B
Thread DirectionRIGHT-HAND
Width Across Flats0.680 INCHES NOMINAL IN
Thread Quantity Per Inch16
Washer Thickness0.110 INCHES NOMINAL IN
Surface TreatmentOXIDE OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-375-917616773891-001 INTERCHANGEABLE
Switch,toggle
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
5360-01-121-984112614783 INTERCHANGEABLE
Spring,helical,compression
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6625-01-360-8873710-1-A INTERCHANGEABLE
Test Set Subassembly,electrical
Hipotronics Inc
6550-01-518-22827101A INTERCHANGEABLE
Control,creatine Kinase
Neogen Corp
Cross-Reference Index
Part NumberManufacturer
5167676 PRIMARY Naval Sea Systems Command (USA)
7101A Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier (USA)
Related Parts
5930-00-375-9176INTERCHANGEABLE
SWITCH,TOGGLE
16773891-001
5360-01-121-9841INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12614783
6625-01-360-8873INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
710-1-A
6550-01-518-2282INTERCHANGEABLE
CONTROL,CREATINE KINASE
7101A

Frequently Asked Questions

What is NSN 5310-01-399-0462?

NSN 5310-01-399-0462 is a Nut,plain,extended Washer,hexago, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-399-0462?

NSN 5310-01-399-0462 has 2 cross-referenced part numbers: 5167676 (Naval Sea Systems Command), 7101A (Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier).

What NSN replaces 5310-01-399-0462?

There are 4 known substitutes for 5310-01-399-0462: 5930-00-375-9176, 5360-01-121-9841, 6625-01-360-8873 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5167676?

Key specifications for 5167676: Overall Height: 0.540 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Washer Outside Diameter: 0.900 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES IN. 12 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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