PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-2050999PC14Nut,plain,internal Wrenching

Naval Ship Systems Command · NSN 5310-01-476-3497 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-476-3497 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-476-3497. Primary manufacturer part number: 845-2050999PC14.
Features
  • Nut,plain,internal Wrenching — FSC 5310
  • Material: COPPER ALLOY 630 OVERALL
  • Material Document and Classification: QQ-B-679,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 1.500 INCHES IN
  • Thread Series: UN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Nut Height: 0.980 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 630 Overall construction
General Description

The Nut,plain,internal Wrenching, cataloged under National Stock Number 5310-01-476-3497, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-476-3497
Primary Part Number845-2050999PC14
Item NameNut,plain,internal Wrenching
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
MaterialCOPPER ALLOY 630 OVERALL
Material Document and ClassificationQQ-B-679,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size1.500 INCHES IN
Thread SeriesUN
Thread DirectionRIGHT-HAND
Thread Class2A A
Nut Height0.980 INCHES NOMINAL IN
Thread Quantity Per Inch12
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-050-6646MS17830-6C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-01-136-47512640-613 PIECE 9 INTERCHANGEABLE
Stem,fluid Valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-155-50292640-611 ASSYE INTERCHANGEABLE
Valve,ball
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-156-83492640-613 PIECE 10 INTERCHANGEABLE
Stem,fluid Valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-167-28432640-613 PIECE 1,5 INTERCHANGEABLE
Parts Kit,ball Valve
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
845-2050999PC14 PRIMARY Naval Ship Systems Command (USA)
845-2050997PC14 Naval Ship Systems Command (USA)
845-2050999 Naval Ship Systems Command (USA)
Related Parts
5310-00-050-6646INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17830-6C
4820-01-136-4751INTERCHANGEABLE
STEM,FLUID VALVE
2640-613 PIECE 9
4820-01-155-5029INTERCHANGEABLE
VALVE,BALL
2640-611 ASSYE
4820-01-156-8349INTERCHANGEABLE
STEM,FLUID VALVE
2640-613 PIECE 10
4820-01-167-2843INTERCHANGEABLE
PARTS KIT,BALL VALVE
2640-613 PIECE 1,5

Frequently Asked Questions

What is NSN 5310-01-476-3497?

NSN 5310-01-476-3497 is a Nut,plain,internal Wrenching, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-476-3497?

NSN 5310-01-476-3497 has 3 cross-referenced part numbers: 845-2050999PC14 (Naval Ship Systems Command), 845-2050997PC14 (Naval Ship Systems Command), 845-2050999 (Naval Ship Systems Command).

What NSN replaces 5310-01-476-3497?

There are 5 known substitutes for 5310-01-476-3497: 5310-00-050-6646, 4820-01-136-4751, 4820-01-155-5029 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-2050999PC14?

Key specifications for 845-2050999PC14: Material: COPPER ALLOY 630 OVERALL; Material Document and Classification: QQ-B-679,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 1.500 INCHES IN; Thread Series: UN. 9 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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