PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N21264PC13Nut,plain,hexagon

Hatch & Kirk, Inc. · NSN 5310-00-012-2403 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-012-2403 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-012-2403. Primary manufacturer part number: N21264PC13.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 1.063 INCHES NOMINAL IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Quantity Per Inch: 16
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Series: UNF
  • Thread Class: 3B
  • Nondefinitive Spec/std Data: A TYPE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-012-2403, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 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
NSN5310-00-012-2403
Primary Part NumberN21264PC13
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHatch & Kirk, Inc.
StatusCANCELLED
Width Across Flats1.063 INCHES NOMINAL IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread Quantity Per Inch16
Nominal Thread Size0.750 INCHES IN
Thread SeriesUNF
Thread Class3B
Nondefinitive Spec/std DataA TYPE
Nut Height0.375 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Material Document and ClassificationQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-067-9507 INTERCHANGEABLE
Nut,self-Locking,hexagon
3110-00-100-6161 INTERCHANGEABLE
Ball,bearing
5133-00-189-9277 INTERCHANGEABLE
Drill,twist
5310-00-194-0021PE5A INTERCHANGEABLE
Washer,lock
Wisconsin Motors, Llc
5905-00-422-4782SV2531 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Rockwell Automation, Inc. Dba Rockwell Automation
5950-00-647-7165 INTERCHANGEABLE
Reactor
5945-00-758-0977199960-6 INTERCHANGEABLE
Relay Assembly
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
5965-00-806-7593539785-2 INTERCHANGEABLE
Handset
Raytheon Company Div Rmd Strategic
5320-01-075-587478-62 INTERCHANGEABLE
Rivet,solid
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5340-01-149-607456045 INTERCHANGEABLE
Hinge
Alliance Laundry Systems Llc
Cross-Reference Index
Part NumberManufacturer
122403 General Motors Corp Electro-Motive Div (USA)
N21264PC13 PRIMARY Hatch & Kirk, Inc. (USA)
N25155PC14 PRIMARY Hatch & Kirk, Inc. (USA)
N20052PC19 PRIMARY Hatch & Kirk, Inc. (USA)
N29264PC16 PRIMARY Hatch & Kirk, Inc. (USA)
N12837PC15 PRIMARY Hatch & Kirk, Inc. (USA)
N25363PC10 General Motors Corp (USA)
N9126PC19 General Motors Corp Electro-Motive Div (USA)
N21164PC13 PRIMARY Hatch & Kirk, Inc. (USA)
N20052PC19 General Motors Corp (USA)
N26925PC19 General Motors Corp (USA)
N25155PC14 General Motors Corp (USA)
N26925PC19 PRIMARY Hatch & Kirk, Inc. (USA)
N20552PC9 PRIMARY Hatch & Kirk, Inc. (USA)
21204PC70 Copeland Corp (USA)
N9583PC19 General Motors Corp (USA)
N9713PC14 General Motors Corp (USA)
N4626PC19 General Motors Corp Electro-Motive Div (USA)
N29264PC16 General Motors Corp (USA)
N25052PC3 PRIMARY Hatch & Kirk, Inc. (USA)
Related Parts
5310-00-067-9507INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
3110-00-100-6161INTERCHANGEABLE
BALL,BEARING
5133-00-189-9277INTERCHANGEABLE
DRILL,TWIST
5310-00-194-0021INTERCHANGEABLE
WASHER,LOCK
PE5A
5905-00-422-4782INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
SV2531
5950-00-647-7165INTERCHANGEABLE
REACTOR
5945-00-758-0977INTERCHANGEABLE
RELAY ASSEMBLY
199960-6
5965-00-806-7593INTERCHANGEABLE
HANDSET
539785-2
5320-01-075-5874INTERCHANGEABLE
RIVET,SOLID
78-62
5340-01-149-6074INTERCHANGEABLE
HINGE
56045
5935-01-192-8587INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
8100
7510-01-219-2309INTERCHANGEABLE
RIBBON,INKING
1299845

Frequently Asked Questions

What is NSN 5310-00-012-2403?

NSN 5310-00-012-2403 is a Nut,plain,hexagon, manufactured by Hatch & Kirk, Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-012-2403?

NSN 5310-00-012-2403 has 50 cross-referenced part numbers: 122403 (General Motors Corp Electro-Motive Div), N21264PC13 (Hatch & Kirk, Inc.), N25155PC14 (Hatch & Kirk, Inc.), N20052PC19 (Hatch & Kirk, Inc.), N29264PC16 (Hatch & Kirk, Inc.) and 45 more.

What NSN replaces 5310-00-012-2403?

There are 12 known substitutes for 5310-00-012-2403: 5310-00-067-9507, 3110-00-100-6161, 5133-00-189-9277 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N21264PC13?

Key specifications for N21264PC13: Width Across Flats: 1.063 INCHES NOMINAL IN; Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Quantity Per Inch: 16; Nominal Thread Size: 0.750 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-012-2403 still in active supply?

NSN 5310-00-012-2403 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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