PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18516Nut,plain,hexagon

Pollak Joseph Corp · NSN 5310-01-556-6031 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-556-6031 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-556-6031. Primary manufacturer part number: 18516.
Features
  • Nut,plain,hexagon — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Pollak Joseph Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-556-6031, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pollak Joseph Corp. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,plain,hexagon
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersPollak Joseph Corp (CAGE 77326); Navistar Intl Corp Truck Br Ohio Plant (CAGE 89346); Nd Defense Llc (CAGE 338X5)
Technical Specifications
ParameterValue
NSN5310-01-556-6031
Primary Part Number18516
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPollak Joseph Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2805-00-270-347918516A INTERCHANGEABLE
Ring,piston
Brinkley Technology Group Llc Dba Hercules Manufacturing
5330-00-286-6859 INTERCHANGEABLE
Seal,plain Encased
3120-00-805-6951TT3001-3 INTERCHANGEABLE
Bearing,washer,thrust
Chrysler Corp Amplex Div
5935-00-902-2749517-9000-035 INTERCHANGEABLE
Connector,receptacle,electrical
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
5962-01-123-1702932883-604 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5340-01-633-80912261640 INTERCHANGEABLE
Clamp,block
Holden Industries, Inc. Dba Holden Industries Inc
Cross-Reference Index
Part NumberManufacturer
18516 PRIMARY Pollak Joseph Corp (USA)
3550643C1 Navistar Intl Corp Truck Br Ohio Plant (USA)
3550643C1 Nd Defense Llc (USA)
Related Parts
2805-00-270-3479INTERCHANGEABLE
RING,PISTON
18516A
5330-00-286-6859INTERCHANGEABLE
SEAL,PLAIN ENCASED
3120-00-805-6951INTERCHANGEABLE
BEARING,WASHER,THRUST
TT3001-3
5935-00-902-2749INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
517-9000-035
5962-01-123-1702INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932883-604
5340-01-633-8091INTERCHANGEABLE
CLAMP,BLOCK
2261640

Frequently Asked Questions

What is NSN 5310-01-556-6031?

NSN 5310-01-556-6031 is a Nut,plain,hexagon, manufactured by Pollak Joseph Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-556-6031?

NSN 5310-01-556-6031 has 3 cross-referenced part numbers: 18516 (Pollak Joseph Corp), 3550643C1 (Navistar Intl Corp Truck Br Ohio Plant), 3550643C1 (Nd Defense Llc).

What NSN replaces 5310-01-556-6031?

There are 6 known substitutes for 5310-01-556-6031: 2805-00-270-3479, 5330-00-286-6859, 3120-00-805-6951 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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