PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2177917-05-16Nut,plain,hexagon

Naval Ship Systems Command · NSN 5310-01-376-1743 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-376-1743 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-376-1743. Primary manufacturer part number: 2177917-05-16.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
  • Thread Class: 2B
  • Thread Quantity Per Inch: 13
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Material: NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL
  • Nominal Thread Size: 0.500 INCHES IN
  • Bearing Surface Type: WASHER FACED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy R-405 or Nickel Alloy 400 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-376-1743, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-376-1743
Primary Part Number2177917-05-16
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Nut Height0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
Thread Class2B
Thread Quantity Per Inch13
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
MaterialNICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL
Nominal Thread Size0.500 INCHES IN
Bearing Surface TypeWASHER FACED
Material Document and ClassificationQQ-N-281 CL A OR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Width Across Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-368-9600 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
2177917-05-16 PRIMARY Naval Ship Systems Command (USA)
803-2177917-05-16 Naval Ship Systems Command (USA)
803-1385623-04X X-15 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5310-01-368-9600INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-376-1743?

NSN 5310-01-376-1743 is a Nut,plain,hexagon, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-376-1743?

NSN 5310-01-376-1743 has 3 cross-referenced part numbers: 2177917-05-16 (Naval Ship Systems Command), 803-2177917-05-16 (Naval Ship Systems Command), 803-1385623-04X X-15 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-01-376-1743?

There is 1 known substitute for 5310-01-376-1743: 5310-01-368-9600. Verify interchangeability with system specifications before substitution.

What are the specifications of 2177917-05-16?

Key specifications for 2177917-05-16: Nut Height: 0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN; Thread Class: 2B; Thread Quantity Per Inch: 13; Thread Series: UNIFIED NATIONAL COARSE (UNC). 11 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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