PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49NE-168Nut,self-Locking,hexagon

Harvard Industries Inc · NSN 5310-01-066-3923 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-066-3923 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-066-3923. Primary manufacturer part number: 49NE-168.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Bearing Surface Type: CHAMFERED
  • Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 1.000 INCHES IN
  • Material: STEEL OVERALL EXCEPT INSERT
  • Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall Except Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-066-3923, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Harvard Industries Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-066-3923
Primary Part Number49NE-168
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHarvard Industries Inc
StatusACTIVE
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Bearing Surface TypeCHAMFERED
Temp Rating250.0 FAHRENHEIT MAXIMUM DEGF
Thread DirectionRIGHT-HAND
Nominal Thread Size1.000 INCHES IN
MaterialSTEEL OVERALL EXCEPT INSERT
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Thread Quantity Per Inch8
Width Across Flats1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
Nut Height1.016 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
Thread Class3B
Thread SeriesUNJC
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-142-1592 INTERCHANGEABLE
Coupling,clamp,pipe
6220-00-150-658013120 INTERCHANGEABLE
Housing,light
Ktm 2 Llc Dba Arrow Safety Device Company
4810-00-659-2195PS135225-3 INTERCHANGEABLE
Valve,solenoid
Honeywell International Inc. Div Aerospace - Torrance
6105-01-139-666713120 INTERCHANGEABLE
Motor,alternating Current
Traulsen and Co Inc
5961-01-208-51001202 INTERCHANGEABLE
Semiconductor Device,diode
Sure Power, Inc Dba Eaton Sure Power, Inc
6615-01-213-912670901-02904-104 INTERCHANGEABLE
Gyroscope,rate
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
3510-01-285-965313.1200 INTERCHANGEABLE
Coil,steam
Ronald Velli, Llc Dba Multimatic
5999-01-426-556713120 INTERCHANGEABLE
Cap,electrical
Trimble Military and Advanced Systems, Inc. Dba Trimble Navigation
5120-01-682-663213120 INTERCHANGEABLE
Mallet,rubber
Nupla Corporation
Cross-Reference Index
Part NumberManufacturer
49NE-168 Harvard Industries Inc (USA)
386B203-017 Zf Industrieantriebe Witten Gmbh (DEU)
49NE-168 Esna, Llc (USA)
49NE168 Zf Industrieantriebe Witten Gmbh (DEU)
131-20 Cnh Industrial America Llc Dba Cnh America (USA)
49NE-168 Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
4730-00-142-1592INTERCHANGEABLE
COUPLING,CLAMP,PIPE
6220-00-150-6580INTERCHANGEABLE
HOUSING,LIGHT
13120
4810-00-659-2195INTERCHANGEABLE
VALVE,SOLENOID
PS135225-3
6105-01-139-6667INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
13120
5961-01-208-5100INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1202
6615-01-213-9126INTERCHANGEABLE
GYROSCOPE,RATE
70901-02904-104
3510-01-285-9653INTERCHANGEABLE
COIL,STEAM
13.1200
5999-01-426-5567INTERCHANGEABLE
CAP,ELECTRICAL
13120
5120-01-682-6632INTERCHANGEABLE
MALLET,RUBBER
13120

Frequently Asked Questions

What is NSN 5310-01-066-3923?

NSN 5310-01-066-3923 is a Nut,self-Locking,hexagon, manufactured by Harvard Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-066-3923?

NSN 5310-01-066-3923 has 6 cross-referenced part numbers: 49NE-168 (Harvard Industries Inc), 386B203-017 (Zf Industrieantriebe Witten Gmbh), 49NE-168 (Esna, Llc), 49NE168 (Zf Industrieantriebe Witten Gmbh), 131-20 (Cnh Industrial America Llc Dba Cnh America) and 1 more.

What NSN replaces 5310-01-066-3923?

There are 9 known substitutes for 5310-01-066-3923: 4730-00-142-1592, 6220-00-150-6580, 4810-00-659-2195 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49NE-168?

Key specifications for 49NE-168: Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Bearing Surface Type: CHAMFERED; Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF; Thread Direction: RIGHT-HAND. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com