PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-2177917-12X-14Nut,plain,hexagon

Naval Ship Systems Command · NSN 5310-01-408-7109 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-408-7109 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-408-7109. Primary manufacturer part number: 803-2177917-12X-14.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material Document and Classification: QQ-N-281, CL A OR CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 11
  • Width Across Flats: 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy 400 or Nickel Alloy R-405 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-408-7109, 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 2 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
NSN5310-01-408-7109
Primary Part Number803-2177917-12X-14
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Material Document and ClassificationQQ-N-281, CL A OR CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.625 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch11
Width Across Flats0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nut Height0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
Nut StyleHEXAGON
MaterialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-147-8670 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
27-006 PART 14 12IN Pima Valve, Llc (USA)
803-2177917-12X-14 PRIMARY Naval Ship Systems Command (USA)
Related Parts
5310-01-147-8670INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-408-7109?

NSN 5310-01-408-7109 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 5310-01-408-7109?

NSN 5310-01-408-7109 has 2 cross-referenced part numbers: 27-006 PART 14 12IN (Pima Valve, Llc), 803-2177917-12X-14 (Naval Ship Systems Command).

What NSN replaces 5310-01-408-7109?

There is 1 known substitute for 5310-01-408-7109: 5310-01-147-8670. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-2177917-12X-14?

Key specifications for 803-2177917-12X-14: Material Document and Classification: QQ-N-281, CL A OR CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.625 INCHES IN; 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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