PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10509Nut,plain,hexagon

Kleinschmidt Inc · NSN 5310-00-176-8119 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-176-8119 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-176-8119. Primary manufacturer part number: 10509.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Thread Class: 2B
  • Thread Quantity Per Inch: 32
  • Thread Series: UNF
  • Nominal Thread Size: 0.190 INCHES IN
  • Nut Style: HEXAGON
  • Nut Height: 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting or Steel Comp 302 or Steel Comp 316 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-176-8119, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5310-00-176-8119
Primary Part Number10509
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusCANCELLED
Width Across Flats0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Class2B
Thread Quantity Per Inch32
Thread SeriesUNF
Nominal Thread Size0.190 INCHES IN
Nut StyleHEXAGON
Nut Height0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Material Document and ClassificationQQ-S-770,COND QT FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 COMP FM MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 COMP FM MIL SPEC 3RD MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL CORROSION RESISTING OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
Countersink Angle110.0 DEGREES NOMINAL NUT
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5970-00-023-62469287758 INTERCHANGEABLE
Insulator,plate
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
3040-00-127-2708322509 INTERCHANGEABLE
Shaft,shouldered
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3120-00-426-1549 INTERCHANGEABLE
Bearing,sleeve
4920-00-657-319810509 INTERCHANGEABLE
Brush and Spring As
Elbitamerica, Inc.
5940-00-900-3755 INTERCHANGEABLE
Terminal,stud
5310-00-934-9765MS35650-304 INTERCHANGEABLE
Nut,plain,hexagon
Joint Electronics Type Designation System
5826-00-945-2209102333 INTERCHANGEABLE
Counter Assy,hundre
Astronautics Corporation of America
5130-00-973-001783301 INTERCHANGEABLE
Anvil,fastener Installation Tool
Huck International, Inc. Div Kingston Operations
5305-01-069-890810509 INTERCHANGEABLE
Screw,cap,hexagon Head
Auto Vehicle Parts Co Dba Au-Ve-Co
5310-01-251-0878 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
10509 Kleinschmidt Inc (USA)
AN345TYPEC10 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
AN345C10 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN345C10 All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners (USA)
Related Parts
5970-00-023-6246INTERCHANGEABLE
INSULATOR,PLATE
9287758
3040-00-127-2708INTERCHANGEABLE
SHAFT,SHOULDERED
322509
3120-00-426-1549INTERCHANGEABLE
BEARING,SLEEVE
4920-00-657-3198INTERCHANGEABLE
BRUSH AND SPRING AS
10509
5940-00-900-3755INTERCHANGEABLE
TERMINAL,STUD
5310-00-934-9765INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35650-304
5826-00-945-2209INTERCHANGEABLE
COUNTER ASSY,HUNDRE
102333
5130-00-973-0017INTERCHANGEABLE
ANVIL,FASTENER INSTALLATION TOOL
83301
5305-01-069-8908INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
10509
5310-01-251-0878INTERCHANGEABLE
WASHER,FLAT
5305-01-283-0465INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10509
5110-01-428-5228INTERCHANGEABLE
KNIFE,CRAFTSMAN'S
10-509

Frequently Asked Questions

What is NSN 5310-00-176-8119?

NSN 5310-00-176-8119 is a Nut,plain,hexagon, manufactured by Kleinschmidt Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-176-8119?

NSN 5310-00-176-8119 has 4 cross-referenced part numbers: 10509 (Kleinschmidt Inc), AN345TYPEC10 (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group), AN345C10 (Aeronautical Standards Group Dept of Navy and Air Force), AN345C10 (All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners).

What NSN replaces 5310-00-176-8119?

There are 12 known substitutes for 5310-00-176-8119: 5970-00-023-6246, 3040-00-127-2708, 3120-00-426-1549 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10509?

Key specifications for 10509: Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Class: 2B; Thread Quantity Per Inch: 32; Thread Series: UNF. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-176-8119 still in active supply?

NSN 5310-00-176-8119 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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