PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56983Nut,plain,hexagon

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 5310-00-733-8735 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-733-8735 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-733-8735. Primary manufacturer part number: 56983.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Bearing Surface Type: FLAT
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 32
  • Nominal Thread Size: 0.138 INCHES IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Width Across Flats: 0.314 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-733-8735, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5310-00-733-8735
Primary Part Number56983
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
Thread DirectionRIGHT-HAND
Bearing Surface TypeFLAT
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Nominal Thread Size0.138 INCHES IN
MaterialSTEEL CORROSION RESISTING OVERALL
Width Across Flats0.314 INCHES NOMINAL IN
Thread Class2B
Nut StyleHEXAGON
Nut Height0.106 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-172-00280915274-5 INTERCHANGEABLE
Fitting,lubrication
Kalmar AC Inc
5905-00-578-4637C220623-9 INTERCHANGEABLE
Resistor,fixed,wire Wound
Raytheon Company Dba Raytheon Co
4720-00-682-7920100R4-12 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
5330-01-172-465656983 INTERCHANGEABLE
Gasket
Parker Hannifin Corporation Div Hydraulic Systems Division
7021-01-393-9769 INTERCHANGEABLE
Computer,digital
5998-01-546-0824 INTERCHANGEABLE
Lc 20 Module
Cross-Reference Index
Part NumberManufacturer
56983 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
6N1 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
6N1 Fairbanks Morse, Llc (USA)
Related Parts
4730-00-172-0028INTERCHANGEABLE
FITTING,LUBRICATION
0915274-5
5905-00-578-4637INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
C220623-9
4720-00-682-7920INTERCHANGEABLE
HOSE,NONMETALLIC
100R4-12
5330-01-172-4656INTERCHANGEABLE
GASKET
56983
7021-01-393-9769INTERCHANGEABLE
COMPUTER,DIGITAL
5998-01-546-0824INTERCHANGEABLE
LC 20 MODULE

Frequently Asked Questions

What is NSN 5310-00-733-8735?

NSN 5310-00-733-8735 is a Nut,plain,hexagon, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-733-8735?

NSN 5310-00-733-8735 has 3 cross-referenced part numbers: 56983 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 6N1 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 6N1 (Fairbanks Morse, Llc).

What NSN replaces 5310-00-733-8735?

There are 6 known substitutes for 5310-00-733-8735: 4730-00-172-0028, 5905-00-578-4637, 4720-00-682-7920 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56983?

Key specifications for 56983: Thread Direction: RIGHT-HAND; Bearing Surface Type: FLAT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 32. 10 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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