PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73680-1420Nut,self-Locking,hexagon

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-089-9646 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-089-9646 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-089-9646. Primary manufacturer part number: 73680-1420.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: CADMIUM OVERALL
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Bearing Surface Type: CHAMFERED
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
  • Thread Quantity Per Inch: 20
  • Nominal Thread Size: 0.875 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-089-9646, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-089-9646
Primary Part Number73680-1420
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Bearing Surface TypeCHAMFERED
Hardness Rating25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch20
Nominal Thread Size0.875 INCHES IN
Thread SeriesUNEF
MaterialSTEEL OVERALL
Width Across Flats1.115 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Class3B
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
Nut Height0.349 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-143-758745220 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
711123 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
73680-1420 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
3110-00-143-7587INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
45220

Frequently Asked Questions

What is NSN 5310-00-089-9646?

NSN 5310-00-089-9646 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-089-9646?

NSN 5310-00-089-9646 has 2 cross-referenced part numbers: 711123 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 73680-1420 (Sps Technologies, Llc Dba PB Fasteners).

What NSN replaces 5310-00-089-9646?

There is 1 known substitute for 5310-00-089-9646: 3110-00-143-7587. Verify interchangeability with system specifications before substitution.

What are the specifications of 73680-1420?

Key specifications for 73680-1420: Thread Direction: RIGHT-HAND; Surface Treatment: CADMIUM OVERALL; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Bearing Surface Type: CHAMFERED. 15 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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