PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49NTE222Nut,self-Locking,hexagon

Esna, Llc · NSN 5310-01-036-8981 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-036-8981 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-036-8981. Primary manufacturer part number: 49NTE222.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 3B
  • Nominal Thread Size: 1.375 INCHES IN
  • Thread Series: UNF
  • Bearing Surface Type: CHAMFERED
  • Material: STEEL COMP 1118 NUT
  • Thread Quantity Per Inch: 12
  • Nut Height: 0.735 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1118 Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-036-8981, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-036-8981
Primary Part Number49NTE222
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEsna, Llc
StatusACTIVE
Thread Class3B
Nominal Thread Size1.375 INCHES IN
Thread SeriesUNF
Bearing Surface TypeCHAMFERED
MaterialSTEEL COMP 1118 NUT
Thread Quantity Per Inch12
Nut Height0.735 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Nut StyleHEXAGON
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Width Across Flats1.973 INCHES MINIMUM AND 2.008 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9273 INTERCHANGEABLE
Drill,twist
5133-00-189-9274 INTERCHANGEABLE
Drill,twist
5120-00-261-2811 INTERCHANGEABLE
Socket,socket Wrench
4730-00-287-1766SAE J512 4-2 060202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5930-00-615-818213329 INTERCHANGEABLE
Switch,foot
Illinois Tool Works, Inc. Div Magnaflux
4920-00-670-0433 INTERCHANGEABLE
Blade Tracker,elect
5935-00-683-7651105-0802-001 INTERCHANGEABLE
Jack,tip
Emerson Electronic Connector and Component Company Dba Johnson Components
3030-00-841-4360B48SET2 INTERCHANGEABLE
Belts,v,matched Set
Gates Corporation
4730-00-882-66922608 INTERCHANGEABLE
Coupling Half,quick Disconnect
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
5935-01-039-6664105-800-03 INTERCHANGEABLE
Jack,tip
Viking Technologies, Ltd.
Cross-Reference Index
Part NumberManufacturer
49NTE222 Harvard Industries Inc (USA)
13328 Rockwell Intl Corp Graphic Systems Div (USA)
49NTE222 PRIMARY Esna, Llc (USA)
13329 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5133-00-189-9273INTERCHANGEABLE
DRILL,TWIST
5133-00-189-9274INTERCHANGEABLE
DRILL,TWIST
5120-00-261-2811INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4730-00-287-1766INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 4-2 060202BA
5930-00-615-8182INTERCHANGEABLE
SWITCH,FOOT
13329
4920-00-670-0433INTERCHANGEABLE
BLADE TRACKER,ELECT
5935-00-683-7651INTERCHANGEABLE
JACK,TIP
105-0802-001
3030-00-841-4360INTERCHANGEABLE
BELTS,V,MATCHED SET
B48SET2
4730-00-882-6692INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
2608
5935-01-039-6664INTERCHANGEABLE
JACK,TIP
105-800-03
4730-01-211-0897INTERCHANGEABLE
ELBOW,PIPE
13328
5120-01-348-9048INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5310-01-036-8981?

NSN 5310-01-036-8981 is a Nut,self-Locking,hexagon, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-036-8981?

NSN 5310-01-036-8981 has 4 cross-referenced part numbers: 49NTE222 (Harvard Industries Inc), 13328 (Rockwell Intl Corp Graphic Systems Div), 49NTE222 (Esna, Llc), 13329 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-01-036-8981?

There are 12 known substitutes for 5310-01-036-8981: 5133-00-189-9273, 5133-00-189-9274, 5120-00-261-2811 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49NTE222?

Key specifications for 49NTE222: Thread Class: 3B; Nominal Thread Size: 1.375 INCHES IN; Thread Series: UNF; Bearing Surface Type: CHAMFERED. 13 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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