PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S278Nut,plain,slotted,hexagon

Cummins Inc. · NSN 5310-00-264-0275 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-264-0275 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-264-0275. Primary manufacturer part number: S278.
Features
  • Nut,plain,slotted,hexagon — FSC 5310
  • Thread Quantity Per Inch: 16
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Series: UNF
  • Bearing Surface Type: FLAT
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
  • Material: STEEL COMP 1118 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1118 Overall construction
General Description

The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-264-0275, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 11 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-264-0275
Primary Part NumberS278
Item NameNut,plain,slotted,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Thread Quantity Per Inch16
Nominal Thread Size0.750 INCHES IN
Thread SeriesUNF
Bearing Surface TypeFLAT
Thread DirectionRIGHT-HAND
Thread Class2B
MaterialSTEEL COMP 1118 OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nut StyleSLOTTED, HEXAGON
Width Across Flats1.062 INCHES NOMINAL IN
Nut Height0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5895-00-110-702510063-0 INTERCHANGEABLE
Rotor Assembly,brak
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5315-00-663-0614100630 INTERCHANGEABLE
Pin,grooved,headless
Air Logistics Corporation Dba Air Logistics Corp
5950-00-858-6044101060 INTERCHANGEABLE
Transformer,audio Frequency
Viking Technologies, Ltd.
4720-00-887-2138106C2973P3 INTERCHANGEABLE
Hose Assembly,nonmetallic
General Electric Company
6130-01-042-6865 INTERCHANGEABLE
Power Supply
5950-01-061-9822100630 INTERCHANGEABLE
Coil,radio Frequency
Logimetrics Inc
5342-01-135-0914100630 INTERCHANGEABLE
Adapter Plate
American Turbo Systems Inc
4820-01-198-61279100630 INTERCHANGEABLE
Kit,diaphragm
Lincoln Electric Co the Harris Calorific Div
5305-01-291-0102S278-2 INTERCHANGEABLE
Screw,cap,hexagon Head
Meritor Industrial Products, Llc
5325-01-326-090910-0630 INTERCHANGEABLE
Ring,retaining
Pentair Pump Group, Inc. Dba Fairbanks Morse Pump
Cross-Reference Index
Part NumberManufacturer
9100630 Euclid Inc (USA)
C3143 Schwitzer Engine Components a Household Intl Co (USA)
S278 PRIMARY Cummins Inc. (USA)
100630 Terex Corp (USA)
Related Parts
5895-00-110-7025INTERCHANGEABLE
ROTOR ASSEMBLY,BRAK
10063-0
5315-00-663-0614INTERCHANGEABLE
PIN,GROOVED,HEADLESS
100630
5950-00-858-6044INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
101060
4720-00-887-2138INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
106C2973P3
6130-01-042-6865INTERCHANGEABLE
POWER SUPPLY
5950-01-061-9822INTERCHANGEABLE
COIL,RADIO FREQUENCY
100630
5342-01-135-0914INTERCHANGEABLE
ADAPTER PLATE
100630
4820-01-198-6127INTERCHANGEABLE
KIT,DIAPHRAGM
9100630
5305-01-291-0102INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
S278-2
5325-01-326-0909INTERCHANGEABLE
RING,RETAINING
10-0630

Frequently Asked Questions

What is NSN 5310-00-264-0275?

NSN 5310-00-264-0275 is a Nut,plain,slotted,hexagon, manufactured by Cummins Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-264-0275?

NSN 5310-00-264-0275 has 4 cross-referenced part numbers: 9100630 (Euclid Inc), C3143 (Schwitzer Engine Components a Household Intl Co), S278 (Cummins Inc.), 100630 (Terex Corp).

What NSN replaces 5310-00-264-0275?

There are 10 known substitutes for 5310-00-264-0275: 5895-00-110-7025, 5315-00-663-0614, 5950-00-858-6044 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S278?

Key specifications for S278: Thread Quantity Per Inch: 16; Nominal Thread Size: 0.750 INCHES IN; Thread Series: UNF; Bearing Surface Type: FLAT. 11 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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