PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N21682PC15Nut,plain,hexagon

Hatch & Kirk, Inc. · NSN 5310-00-012-3274 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-012-3274 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-012-3274. Primary manufacturer part number: N21682PC15.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Thread Class: 3B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 13
  • Nominal Thread Size: 0.500 INCHES IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Material: COPPER ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-012-3274, 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 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-012-3274
Primary Part NumberN21682PC15
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHatch & Kirk, Inc.
StatusACTIVE
Nut Height0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Thread Class3B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch13
Nominal Thread Size0.500 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
MaterialCOPPER ALLOY OVERALL
Nut StyleHEXAGON
Nondefinitive Spec/std DataA TYPE
Thread DirectionRIGHT-HAND
Material Document and ClassificationQQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Width Across Flats0.737 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5136-00-227-8629 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
58422B03-0PC16 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
54362G01-6PC37 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
64582B04-0PC30 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
N8907PC31 General Motors Corp (USA)
58596A03-0PC17 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
N21682PC15 PRIMARY Hatch & Kirk, Inc. (USA)
N52100JPC12-18-20 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
60406B02-1PC34 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
54362E01-3PC33 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
63585A04-0PC15 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
N4901PC31 General Motors Corp (USA)
N9901PC31 General Motors Corp (USA)
N9899PC31 General Motors Corp Electro-Motive Div (USA)
N21184PC5 General Motors Corp (USA)
57499B04-0PC25 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
N21184PC5 PRIMARY Hatch & Kirk, Inc. (USA)
123274 General Motors Corp (USA)
NX14361PC31 General Motors Corp (USA)
60006A04-0PC17 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
61183B04-1PC33 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
Related Parts
5136-00-227-8629INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 5310-00-012-3274?

NSN 5310-00-012-3274 is a Nut,plain,hexagon, manufactured by Hatch & Kirk, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-012-3274?

NSN 5310-00-012-3274 has 50 cross-referenced part numbers: 58422B03-0PC16 (Howden Buffalo, Inc Div Howden Gyrol Fluid Drives), 54362G01-6PC37 (Howden Buffalo, Inc Div Howden Gyrol Fluid Drives), 64582B04-0PC30 (Howden Buffalo, Inc Div Howden Gyrol Fluid Drives), N8907PC31 (General Motors Corp), 58596A03-0PC17 (Howden Buffalo, Inc Div Howden Gyrol Fluid Drives) and 45 more.

What NSN replaces 5310-00-012-3274?

There is 1 known substitute for 5310-00-012-3274: 5136-00-227-8629. Verify interchangeability with system specifications before substitution.

What are the specifications of N21682PC15?

Key specifications for N21682PC15: Nut Height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Thread Class: 3B; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 13. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com