PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2061-164Nut,self-Locking,barrel

Esna, Llc · NSN 5310-00-333-7757 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-333-7757 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-333-7757. Primary manufacturer part number: 2061-164.
Features
  • Nut,self-Locking,barrel — FSC 5310
  • Nut Counterbore Depth: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM NUT IN
  • Counterbore Diameter: 1.062 INCHES NOMINAL NUT IN
  • Nut Height: 1.219 INCHES NOMINAL IN
  • Nominal Thread Size: 1.000 INCHES IN
  • Material: PLASTIC POLYAMIDE NYLON OR STEEL COMP 4130 OVERALL
  • Thread Quantity Per Inch: 14
  • Thread Class: 3B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon or Steel Comp 4130 Overall construction
General Description

The Nut,self-Locking,barrel, cataloged under National Stock Number 5310-00-333-7757, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Esna, Llc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-333-7757
Primary Part Number2061-164
Item NameNut,self-Locking,barrel
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEsna, Llc
StatusCANCELLED
Nut Counterbore Depth0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM NUT IN
Counterbore Diameter1.062 INCHES NOMINAL NUT IN
Nut Height1.219 INCHES NOMINAL IN
Nominal Thread Size1.000 INCHES IN
MaterialPLASTIC POLYAMIDE NYLON OR STEEL COMP 4130 OVERALL
Thread Quantity Per Inch14
Thread Class3B
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Nut Length1.510 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN
Surface TreatmentCADMIUM NUT
Thread DirectionRIGHT-HAND
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread SeriesUNS
Nut Diameter1.560 INCHES MINIMUM AND 1.561 INCHES MAXIMUM IN
Material Document and ClassificationAISI ASSN STD 2ND MATERIAL RESPONSE OVERALL
Nut StyleNON-FLOATING SELF-LOCKING BARREL
Barrel Height1.078 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5133-00-227-9653 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
2061-164 Harvard Industries Inc (USA)
2896-164 Esna, Llc (USA)
2061A164 Esna, Llc (USA)
2896-164 Harvard Industries Inc (USA)
2061A164 Harvard Industries Inc (USA)
2061-164 PRIMARY Esna, Llc (USA)
Related Parts
5133-00-227-9653INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5310-00-333-7757?

NSN 5310-00-333-7757 is a Nut,self-Locking,barrel, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-333-7757?

NSN 5310-00-333-7757 has 6 cross-referenced part numbers: 2061-164 (Harvard Industries Inc), 2896-164 (Esna, Llc), 2061A164 (Esna, Llc), 2896-164 (Harvard Industries Inc), 2061A164 (Harvard Industries Inc) and 1 more.

What NSN replaces 5310-00-333-7757?

There is 1 known substitute for 5310-00-333-7757: 5133-00-227-9653. Verify interchangeability with system specifications before substitution.

What are the specifications of 2061-164?

Key specifications for 2061-164: Nut Counterbore Depth: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM NUT IN; Counterbore Diameter: 1.062 INCHES NOMINAL NUT IN; Nut Height: 1.219 INCHES NOMINAL IN; Nominal Thread Size: 1.000 INCHES IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-333-7757 still in active supply?

NSN 5310-00-333-7757 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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