PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X18129Nut,plain,hexagon

Western Pacific Equipment Co · NSN 5310-00-012-1932 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-012-1932 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-012-1932. Primary manufacturer part number: X18129.
Features
  • Nut,plain,hexagon — FSC 5310
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Series: UNF
  • Thread Quantity Per Inch: 24
  • Nondefinitive Spec/std Data: A TYPE
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material: STEEL OVERALL
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 5310-00-012-1932, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Western Pacific Equipment Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 47 commercial cross-references from 26 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-012-1932
Primary Part NumberX18129
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWestern Pacific Equipment Co
StatusCANCELLED
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.375 INCHES IN
Thread SeriesUNF
Thread Quantity Per Inch24
Nondefinitive Spec/std DataA TYPE
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Thread Class3B
Nut StyleHEXAGON
Nut Height0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
Width Across Flats0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-012-5348 INTERCHANGEABLE
Nut,plain,slotted,hexagon
5950-00-024-108870-1173 INTERCHANGEABLE
Transformer,current
Department of Defense Project Manager-Mobile Electric Power
4330-00-030-2022 INTERCHANGEABLE
Filter,fluid
3020-00-146-4222D15-561UPC685 INTERCHANGEABLE
Gear,idler
Northrop Grumman Systems Corporation Div Marine Systems
5310-00-194-8202 INTERCHANGEABLE
Nut,plain,hexagon
3110-00-198-2293 INTERCHANGEABLE
Bearing,ball,annular
5315-00-234-16570900806-1 INTERCHANGEABLE
Pin,cotter
Agco Corp Parts Opn
5330-00-236-1413 INTERCHANGEABLE
Packing,preformed
2520-00-358-39055901 INTERCHANGEABLE
Cover
Sachs-Boge of America
3120-00-363-79624F9417 INTERCHANGEABLE
Bearing,sleeve
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
2D06 Vme Americas Inc Sub of Vme Group N V (USA)
32X34R Pressed Metals of America Inc (USA)
X18129 PRIMARY Western Pacific Equipment Co (USA)
33786S7 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
BB19199 Diamond Reo Truck Co (USA)
121932 PRIMARY Abm Equipment, Llc (USA)
322661PC238 Hercules Engine Co Inc (USA)
322661PC238 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
203569 PRIMARY Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
332407SH4ITEM13 Hercules Engine Co Inc (USA)
2D06 Clark Material Handling Company (USA)
1000-827 Kaitlin Corp (USA)
322660PC238 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
33786S7S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
121932 PRIMARY Agco Corp Parts Opn (USA)
121932 General Motors Corp (USA)
1A3415 PRIMARY Napco International Llc Dba Napco International Inc (USA)
33786S7S812 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
G274 Capitol Gears Inc
FFB571TYPEA7 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-012-5348INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
5950-00-024-1088INTERCHANGEABLE
TRANSFORMER,CURRENT
70-1173
4330-00-030-2022INTERCHANGEABLE
FILTER,FLUID
3020-00-146-4222INTERCHANGEABLE
GEAR,IDLER
D15-561UPC685
5310-00-194-8202INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3110-00-198-2293INTERCHANGEABLE
BEARING,BALL,ANNULAR
5315-00-234-1657INTERCHANGEABLE
PIN,COTTER
0900806-1
5330-00-236-1413INTERCHANGEABLE
PACKING,PREFORMED
2520-00-358-3905INTERCHANGEABLE
COVER
5901
3120-00-363-7962INTERCHANGEABLE
BEARING,SLEEVE
4F9417
5315-00-364-4941INTERCHANGEABLE
KEY,VALVE SECTOR
005901
7290-00-369-4570INTERCHANGEABLE
HANGER,TROUSERS
6340-342

Frequently Asked Questions

What is NSN 5310-00-012-1932?

NSN 5310-00-012-1932 is a Nut,plain,hexagon, manufactured by Western Pacific Equipment Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-012-1932?

NSN 5310-00-012-1932 has 47 cross-referenced part numbers: 2D06 (Vme Americas Inc Sub of Vme Group N V), 32X34R (Pressed Metals of America Inc), X18129 (Western Pacific Equipment Co), 33786S7 (Ford Motor Co Ford Parts and Service Div Government Part Sales), BB19199 (Diamond Reo Truck Co) and 42 more.

What NSN replaces 5310-00-012-1932?

There are 12 known substitutes for 5310-00-012-1932: 5310-00-012-5348, 5950-00-024-1088, 4330-00-030-2022 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X18129?

Key specifications for X18129: Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.375 INCHES IN; Thread Series: UNF; Thread Quantity Per Inch: 24. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-012-1932 still in active supply?

NSN 5310-00-012-1932 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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