PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124818Nut,plain,hexagon

Rolls-Royce Solutions America Inc · NSN 5310-00-012-4818 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-012-4818 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-012-4818. Primary manufacturer part number: 124818.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.250 INCHES IN
  • Nondefinitive Spec/std Data: A TYPE
  • Departure From Cited Document: AS MODIFIED BY OVER-ALL HEIGHT
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 5310-00-012-4818, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-012-4818
Primary Part Number124818
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusACTIVE
Nut StyleHEXAGON
Thread Quantity Per Inch20
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.250 INCHES IN
Nondefinitive Spec/std DataA TYPE
Departure From Cited DocumentAS MODIFIED BY OVER-ALL HEIGHT
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Nut Height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Width Across Flats0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-011-098580012 INTERCHANGEABLE
Screw,machine
John Deer Consumer Products Inc
3110-00-982-958229680-29622DX1S2 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
4730-01-068-9837124818 INTERCHANGEABLE
Locknut,tube Fitting
Dressta North America Ltd
3030-01-116-761617680 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
3030-01-215-87773836V654 INTERCHANGEABLE
Belt,v
Gates Corporation
5310-01-244-7428124818 INTERCHANGEABLE
Nut,plain,hexagon
Nd Defense Llc
4320-01-305-235617250 INTERCHANGEABLE
Piston,pump
Coffin Turbo Pump Inc
5935-01-318-7790579R474H01 INTERCHANGEABLE
Adapter,connector
Northrop Grumman Support Services Corp
5120-01-399-90619680 INTERCHANGEABLE
Screwdriver,cross Tip
The Stanley Works Dba Stanley Proto
6145-01-517-139820130042 INTERCHANGEABLE
Cable,special Purpose,electrical
Space Electronics, Llc
Cross-Reference Index
Part NumberManufacturer
124818 General Motors Corp (USA)
FFB571 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
124818 PRIMARY Rolls-Royce Solutions America Inc (USA)
X215 Pierce Co Inc the Sub of Avis Industrial Corp (USA)
124818 General Motors Llc Dba General Motors Llc (USA)
9680 Norfolk Naval Shipyard (USA)
Related Parts
5305-00-011-0985INTERCHANGEABLE
SCREW,MACHINE
80012
3110-00-982-9582INTERCHANGEABLE
BEARING,ROLLER,TAPERED
29680-29622DX1S2
4730-01-068-9837INTERCHANGEABLE
LOCKNUT,TUBE FITTING
124818
3030-01-116-7616INTERCHANGEABLE
BELT,V
17680
3030-01-215-8777INTERCHANGEABLE
BELT,V
3836V654
5310-01-244-7428INTERCHANGEABLE
NUT,PLAIN,HEXAGON
124818
4320-01-305-2356INTERCHANGEABLE
PISTON,PUMP
17250
5935-01-318-7790INTERCHANGEABLE
ADAPTER,CONNECTOR
579R474H01
5120-01-399-9061INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
9680
6145-01-517-1398INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
20130042
6515-01-544-0742INTERCHANGEABLE
BLADE,SURGICAL PREPARATION RAZOR
4406
5110-01-595-6992INTERCHANGEABLE
BLADE,KEYHOLE SAW
X215

Frequently Asked Questions

What is NSN 5310-00-012-4818?

NSN 5310-00-012-4818 is a Nut,plain,hexagon, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-012-4818?

NSN 5310-00-012-4818 has 6 cross-referenced part numbers: 124818 (General Motors Corp), FFB571 (Federal Specifications Promulgated by General Services Administration Washington DC), 124818 (Rolls-Royce Solutions America Inc), X215 (Pierce Co Inc the Sub of Avis Industrial Corp), 124818 (General Motors Llc Dba General Motors Llc) and 1 more.

What NSN replaces 5310-00-012-4818?

There are 12 known substitutes for 5310-00-012-4818: 5305-00-011-0985, 3110-00-982-9582, 4730-01-068-9837 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 124818?

Key specifications for 124818: Nut Style: HEXAGON; Thread Quantity Per Inch: 20; Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Series: UNIFIED NATIONAL COARSE (UNC). 13 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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