PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71-9156Nut,plain,hexagon

Leroi International Inc Dba Compair Leroi · NSN 5310-01-021-4246 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-021-4246 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-021-4246. Primary manufacturer part number: 71-9156.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Width Across Flats: 0.438 INCHES NOMINAL IN
  • Thread Class: 2B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 20
  • Nominal Thread Size: 0.250 INCHES IN
  • Nut Style: HEXAGON
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 5310-01-021-4246, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Leroi International Inc Dba Compair Leroi. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5310-01-021-4246
Primary Part Number71-9156
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLeroi International Inc Dba Compair Leroi
StatusACTIVE
MaterialSTEEL OVERALL
Width Across Flats0.438 INCHES NOMINAL IN
Thread Class2B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch20
Nominal Thread Size0.250 INCHES IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2815-00-036-463914U1043PC9156 INTERCHANGEABLE
Connection,inlet
Capitol Engine Co, Inc Dba Salmini Worldwide
5935-00-170-8160300606REV2PT1 INTERCHANGEABLE
Connector,plug,electrical
L3harris Technologies, Inc. Dba Harris Corporation
1650-00-228-90599156 INTERCHANGEABLE
Cap,hydraulic Cartridge
Pneudraulics, Inc.
5315-00-448-70729156 INTERCHANGEABLE
Key
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5905-00-833-4612712-50-2 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
B.c. Systems Inc. Dba Bc Systems Inc
5940-01-220-9710915-144 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5330-01-277-88159156-0000 INTERCHANGEABLE
Gasket
Itt Jabsco Products
5140-01-354-70239156 INTERCHANGEABLE
Roll,tools and Accessories
Estex Manufacturing Company, Inc. Dba Estex Manufacturing Co Inc
5305-01-394-7448912012040 INTERCHANGEABLE
Setscrew
Karl Senner, L.l.c. Dba Karl Senner Inc
Cross-Reference Index
Part NumberManufacturer
9156 Compair Kellogg Div of Robertshaw Controls Co (USA)
71-9156 Compair Kellogg Div of Robertshaw Controls Co (USA)
71-9156 PRIMARY Leroi International Inc Dba Compair Leroi (USA)
Related Parts
2815-00-036-4639INTERCHANGEABLE
CONNECTION,INLET
14U1043PC9156
5935-00-170-8160INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
300606REV2PT1
1650-00-228-9059INTERCHANGEABLE
CAP,HYDRAULIC CARTRIDGE
9156
5315-00-448-7072INTERCHANGEABLE
KEY
9156
5905-00-833-4612INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
712-50-2
5940-01-220-9710INTERCHANGEABLE
TERMINAL,LUG
915-144
5330-01-277-8815INTERCHANGEABLE
GASKET
9156-0000
5140-01-354-7023INTERCHANGEABLE
ROLL,TOOLS AND ACCESSORIES
9156
5305-01-394-7448INTERCHANGEABLE
SETSCREW
912012040

Frequently Asked Questions

What is NSN 5310-01-021-4246?

NSN 5310-01-021-4246 is a Nut,plain,hexagon, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-021-4246?

NSN 5310-01-021-4246 has 3 cross-referenced part numbers: 9156 (Compair Kellogg Div of Robertshaw Controls Co), 71-9156 (Compair Kellogg Div of Robertshaw Controls Co), 71-9156 (Leroi International Inc Dba Compair Leroi).

What NSN replaces 5310-01-021-4246?

There are 9 known substitutes for 5310-01-021-4246: 2815-00-036-4639, 5935-00-170-8160, 1650-00-228-9059 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71-9156?

Key specifications for 71-9156: Material: STEEL OVERALL; Width Across Flats: 0.438 INCHES NOMINAL IN; Thread Class: 2B; Thread Series: UNIFIED NATIONAL COARSE (UNC). 8 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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