PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS17830-6CNut,self-Locking,hexagon

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-050-6646 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-050-6646 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-050-6646. Primary manufacturer part number: MS17830-6C.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Material: STEEL COMP 303 NUT
  • Width Across Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Quantity Per Inch: 16
  • Bearing Surface Type: FLAT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-050-6646, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 38 commercial cross-references from 12 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
NSN5310-00-050-6646
Primary Part NumberMS17830-6C
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
MaterialSTEEL COMP 303 NUT
Width Across Flats0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Nominal Thread Size0.375 INCHES IN
Thread Quantity Per Inch16
Bearing Surface TypeFLAT
MaterialPLASTIC NYLON LOCKING INSERT
Thread Class3B
Nut Height0.318 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Nut StyleHEXAGON
Material Document and ClassificationAST D4066 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Surface TreatmentPASSIVATE OVERALL EXCEPT INSERT
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-584-6708 INTERCHANGEABLE
Nut,self-Locking,hexagon
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
5310-01-195-1606SN616NE21 INTERCHANGEABLE
Nut,self-Locking,hexagon
Abbott-Interfast Corp.
5310-01-215-7310MS17830-22C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-422-0761MS17830-18C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-422-0762MS17830-4C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-476-3497845-2050999PC14 INTERCHANGEABLE
Nut,plain,internal Wrenching
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
122-7270390 PC 53 Naval Sea Systems Command (USA)
607-6225287 ITE Naval Sea Systems Command (USA)
2498-00-313-9 S Z-8TO20 TY-I Zf Industrieantriebe Witten Gmbh (DEU)
6961905 FIND 5 Naval Sea Systems Command (USA)
501-7368087 ITEM NO 48 Naval Sea Systems Command (USA)
110-1609-06-0 Zf Industrieantriebe Witten Gmbh (DEU)
122-7270389PC 34 Naval Sea Systems Command (USA)
M24129-3-6C Zf Industrieantriebe Witten Gmbh (DEU)
122-5277668 ITEM 52 Naval Sea Systems Command (USA)
7346676 ITEM NO 46 Naval Sea Systems Command (USA)
5486661 ITEM 78 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
15-3818 PC 25 Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA)
T11234 Deere & Co (USA)
A08069.004.156 Zf Industrieantriebe Witten Gmbh (DEU)
5583811-PC23-4 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
709-5486672 ITEM 173 Naval Sea Systems Command (USA)
5486661 ITEM 78 Naval Sea Systems Command (USA)
5310PL1334761 Jednolity Indeks Materialowy - Uniform Material Index (POL)
6574398 PART 47 Naval Sea Systems Command (USA)
0740689 General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE)
Related Parts
5310-00-584-6708INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
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
5310-01-195-1606INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
SN616NE21
5310-01-215-7310INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17830-22C
5310-01-422-0761INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17830-18C
5310-01-422-0762INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17830-4C
5310-01-476-3497INTERCHANGEABLE
NUT,PLAIN,INTERNAL WRENCHING
845-2050999PC14
5310-01-548-6775INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
ESNA-09NU-066
5310-01-573-4447INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
NASM17830-5C

Frequently Asked Questions

What is NSN 5310-00-050-6646?

NSN 5310-00-050-6646 is a Nut,self-Locking,hexagon, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-050-6646?

NSN 5310-00-050-6646 has 38 cross-referenced part numbers: 122-7270390 PC 53 (Naval Sea Systems Command), 607-6225287 ITE (Naval Sea Systems Command), 2498-00-313-9 S Z-8TO20 TY-I (Zf Industrieantriebe Witten Gmbh), 6961905 FIND 5 (Naval Sea Systems Command), 501-7368087 ITEM NO 48 (Naval Sea Systems Command) and 33 more.

What NSN replaces 5310-00-050-6646?

There are 12 known substitutes for 5310-00-050-6646: 5310-00-584-6708, 4820-01-136-4751, 4820-01-155-5029 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS17830-6C?

Key specifications for MS17830-6C: Material: STEEL COMP 303 NUT; Special Features: W/NYLON INSERT; Width Across Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-050-6646 still in active supply?

NSN 5310-00-050-6646 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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