PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6350994 ITEM 21Nut,self-Locking,hexagon

Naval Sea Systems Command · NSN 5310-01-422-8202 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-422-8202 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-422-8202. Primary manufacturer part number: 6350994 ITEM 21.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Quantity Per Inch: 16
  • Nominal Thread Size: 2.625 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-422-8202, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-422-8202
Primary Part Number6350994 ITEM 21
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Thread Quantity Per Inch16
Nominal Thread Size2.625 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Class2B
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-145-6936 INTERCHANGEABLE
Screw,machine
4820-01-017-26626181-72 INTERCHANGEABLE
Valve,angle
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4820-01-017-26636181-73 INTERCHANGEABLE
Valve,globe
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
5310-01-162-2522M10H100 INTERCHANGEABLE
Washer,key
Hendrickson Trailer Suspension Systems
6250-01-250-785610409 INTERCHANGEABLE
Lampholder
Transdigm Inc
5985-01-371-0637A3080587 INTERCHANGEABLE
Coupler,directional
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6545-01-572-0338UA 1389 INTERCHANGEABLE
Medical Equipment Set,sustainmen
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
6625-01-587-212210409 INTERCHANGEABLE
Jack,extension Support Leg
Weatherhaven Resources, Inc.
6640-01-672-84536001-003418 INTERCHANGEABLE
Jar Assembly,volatile Assembly
Edgewood Chemical Biological Center Ecbc
Cross-Reference Index
Part NumberManufacturer
10409 The Timken Corporation (USA)
447-4743 Stemco Inc Sub of Coltec Industries Inc (USA)
6350994 ITEM 21 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5305-00-145-6936INTERCHANGEABLE
SCREW,MACHINE
4820-01-017-2662INTERCHANGEABLE
VALVE,ANGLE
6181-72
4820-01-017-2663INTERCHANGEABLE
VALVE,GLOBE
6181-73
5310-01-162-2522INTERCHANGEABLE
WASHER,KEY
M10H100
6250-01-250-7856INTERCHANGEABLE
LAMPHOLDER
10409
5985-01-371-0637INTERCHANGEABLE
COUPLER,DIRECTIONAL
A3080587
6545-01-572-0338INTERCHANGEABLE
MEDICAL EQUIPMENT SET,SUSTAINMEN
UA 1389
6625-01-587-2122INTERCHANGEABLE
JACK,EXTENSION SUPPORT LEG
10409
6640-01-672-8453INTERCHANGEABLE
JAR ASSEMBLY,VOLATILE ASSEMBLY
6001-003418

Frequently Asked Questions

What is NSN 5310-01-422-8202?

NSN 5310-01-422-8202 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-422-8202?

NSN 5310-01-422-8202 has 3 cross-referenced part numbers: 10409 (The Timken Corporation), 447-4743 (Stemco Inc Sub of Coltec Industries Inc), 6350994 ITEM 21 (Naval Sea Systems Command).

What NSN replaces 5310-01-422-8202?

There are 9 known substitutes for 5310-01-422-8202: 5305-00-145-6936, 4820-01-017-2662, 4820-01-017-2663 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6350994 ITEM 21?

Key specifications for 6350994 ITEM 21: Thread Quantity Per Inch: 16; Nominal Thread Size: 2.625 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Class: 2B. 5 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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