PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121917Nut,plain,hexagon

Rolls-Royce Solutions America Inc · NSN 5310-00-012-1917 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-012-1917 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-012-1917. Primary manufacturer part number: 121917.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 24
  • Thread Series: UNF
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.312 INCHES IN
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 5310-00-012-1917, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-012-1917
Primary Part Number121917
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusCANCELLED
Nut Height0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Thread Quantity Per Inch24
Thread SeriesUNF
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.312 INCHES IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataA TYPE
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Class3B
Width Across Flats0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4520-00-567-1897131445 INTERCHANGEABLE
Plate Assembly,end
Suntec Industries Inc Del Dba Suntec
5310-00-880-7746 INTERCHANGEABLE
Nut,plain,hexagon
2520-01-597-3990121917 INTERCHANGEABLE
Axle Mount
Crown Equipment Corp Dba Crown Lift Trucks Div Government Sales Department
Cross-Reference Index
Part NumberManufacturer
121917 General Motors Corp (USA)
FFB571TYPEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
PC121917 Power Components (deutschland) Gmbh (DEU)
33784S7S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
5310PL0950482 Jednolity Indeks Materialowy - Uniform Material Index (POL)
121917 PRIMARY Rolls-Royce Solutions America Inc (USA)
33784S7S8A2 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
121917 Diamond Reo Truck Co (USA)
121917 Navistar International Corporation Dba Navistar (USA)
121917 General Motors Llc Dba General Motors Llc (USA)
121917 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
4520-00-567-1897INTERCHANGEABLE
PLATE ASSEMBLY,END
131445
5310-00-880-7746INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2520-01-597-3990INTERCHANGEABLE
AXLE MOUNT
121917

Frequently Asked Questions

What is NSN 5310-00-012-1917?

NSN 5310-00-012-1917 is a Nut,plain,hexagon, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-012-1917?

NSN 5310-00-012-1917 has 11 cross-referenced part numbers: 121917 (General Motors Corp), FFB571TYPEA (Federal Specifications Promulgated by General Services Administration Washington DC), PC121917 (Power Components (deutschland) Gmbh), 33784S7S8 (Ford Motor Co Ford Parts and Service Div Government Part Sales), 5310PL0950482 (Jednolity Indeks Materialowy - Uniform Material Index) and 6 more.

What NSN replaces 5310-00-012-1917?

There are 3 known substitutes for 5310-00-012-1917: 4520-00-567-1897, 5310-00-880-7746, 2520-01-597-3990. Verify interchangeability with system specifications before substitution.

What are the specifications of 121917?

Key specifications for 121917: Nut Height: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Nut Style: HEXAGON; Thread Quantity Per Inch: 24. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-012-1917 still in active supply?

NSN 5310-00-012-1917 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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