PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PD77Nut,plain,hexagon

Wisconsin Motors, Llc · NSN 5310-00-011-4378 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-011-4378 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-011-4378. Primary manufacturer part number: PD77.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: FLAT
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2B
  • Nut Style: HEXAGON
  • Nondefinitive Spec/std Data: 2 TYPE AND 13 STYLE AND 2B CLASS
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 5310-00-011-4378, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-011-4378
Primary Part NumberPD77
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
Thread Quantity Per Inch20
Bearing Surface TypeFLAT
Nominal Thread Size0.250 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Class2B
Nut StyleHEXAGON
Nondefinitive Spec/std Data2 TYPE AND 13 STYLE AND 2B CLASS
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Nut Height0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5310-00-010-30910101 INTERCHANGEABLE
Nut,plain,hexagon
Harley Davidson Motor Co Inc
5310-00-199-3080 INTERCHANGEABLE
Nut,plain,hexagon
5210-00-498-8900LC45 INTERCHANGEABLE
Finder,pull
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4810-00-582-5145 INTERCHANGEABLE
Parts Kit,valve
5310-01-045-5588M925A INTERCHANGEABLE
Nut,plain,hexagon
Gardner Denver Inc.
6680-01-289-8160114378 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5999-01-411-0251 INTERCHANGEABLE
Magnet,permanent
4730-01-570-7060848-50 INTERCHANGEABLE
Clamp,hose
Ray R G Corp
Cross-Reference Index
Part NumberManufacturer
84850 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
N16311L Diamond Reo Truck Co (USA)
FF-N-836 TY2ST13CL2B General Services Administration Federal Supply Service (USA)
PD77 PRIMARY Wisconsin Motors, Llc (USA)
FF-N-836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
114378 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
DX418K Diamond Reo Truck Co (USA)
1143F8 Diamond Reo Truck Co (USA)
Related Parts
5310-00-010-3091INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0101
5310-00-199-3080INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5210-00-498-8900INTERCHANGEABLE
FINDER,PULL
LC45
4810-00-582-5145INTERCHANGEABLE
PARTS KIT,VALVE
5310-01-045-5588INTERCHANGEABLE
NUT,PLAIN,HEXAGON
M925A
6680-01-289-8160INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
114378
5999-01-411-0251INTERCHANGEABLE
MAGNET,PERMANENT
4730-01-570-7060INTERCHANGEABLE
CLAMP,HOSE
848-50

Frequently Asked Questions

What is NSN 5310-00-011-4378?

NSN 5310-00-011-4378 is a Nut,plain,hexagon, manufactured by Wisconsin Motors, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-011-4378?

NSN 5310-00-011-4378 has 8 cross-referenced part numbers: 84850 (Brockway Motor Trucks Div of Mack Trucks Inc), N16311L (Diamond Reo Truck Co), FF-N-836 TY2ST13CL2B (General Services Administration Federal Supply Service), PD77 (Wisconsin Motors, Llc), FF-N-836 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 5310-00-011-4378?

There are 8 known substitutes for 5310-00-011-4378: 5310-00-010-3091, 5310-00-199-3080, 5210-00-498-8900 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PD77?

Key specifications for PD77: Thread Quantity Per Inch: 20; Bearing Surface Type: FLAT; Nominal Thread Size: 0.250 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-011-4378 still in active supply?

NSN 5310-00-011-4378 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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