PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21844N-3 PIECE 34L1Nut,plain,hexagon

Naval Inventory Control Point Mechanicsburg · NSN 5310-01-386-9756 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-386-9756 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-386-9756. Primary manufacturer part number: 21844N-3 PIECE 34L1.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Quantity Per Inch: 8
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Nominal Thread Size: 1.125 INCHES IN
  • Criticality Code Justification: ZZZW
  • Thread Class: 2B
  • 14 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-386-9756, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-386-9756
Primary Part Number21844N-3 PIECE 34L1
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusCANCELLED
Thread Quantity Per Inch8
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Departure From Cited DocumentMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Nominal Thread Size1.125 INCHES IN
Criticality Code JustificationZZZW
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-01-383-3203 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-383-3251 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-383-3321 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-383-3345 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-383-3347 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-383-3351 INTERCHANGEABLE
Nut,heavy,hexagon
5310-01-383-3376 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-386-9797 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-464-1693N3657852 INTERCHANGEABLE
Nut,plain,hexagon
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
21844N-3 PIECE 34L1 Naval Inventory Control Point Mechanicsburg (USA)
22571NPC23 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
MIL-DTL-1222L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222,TYIII,GR7,STYAL1 Naval Inventory Control Point Mechanicsburg (USA)
1.12508UNC2BT3G7NSAFAL1 Naval Inventory Control Point Mechanicsburg (USA)
36578-52L1 Naval Inventory Control Point Mechanicsburg (USA)
36578-52 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
MIL-DTL-1222,TYIII,GR7,STYA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
21849-5 PIECE 34L1 Naval Inventory Control Point Mechanicsburg (USA)
TYIII,GR7,STYA 11/8 8UNC-2BL1 Naval Inventory Control Point Mechanicsburg (USA)
1.12508UNC2BT3G7NSAFA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
21844N-3 PIECE 34 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
22571NPC23L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5310-01-383-3203INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-383-3251INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-383-3321INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-383-3345INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-383-3347INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-383-3351INTERCHANGEABLE
NUT,HEAVY,HEXAGON
5310-01-383-3376INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-386-9797INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-464-1693INTERCHANGEABLE
NUT,PLAIN,HEXAGON
N3657852

Frequently Asked Questions

What is NSN 5310-01-386-9756?

NSN 5310-01-386-9756 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-386-9756?

NSN 5310-01-386-9756 has 14 cross-referenced part numbers: 21844N-3 PIECE 34L1 (Naval Inventory Control Point Mechanicsburg), 22571NPC23 (Leslie Controls, Inc. Dba Leslie Controls Inc), MIL-DTL-1222L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222,TYIII,GR7,STYAL1 (Naval Inventory Control Point Mechanicsburg), 1.12508UNC2BT3G7NSAFAL1 (Naval Inventory Control Point Mechanicsburg) and 9 more.

What NSN replaces 5310-01-386-9756?

There are 9 known substitutes for 5310-01-386-9756: 5310-01-383-3203, 5310-01-383-3251, 5310-01-383-3321 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21844N-3 PIECE 34L1?

Key specifications for 21844N-3 PIECE 34L1: Thread Quantity Per Inch: 8; Thread Series: UNIFIED NATIONAL COARSE (UNC); Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Nominal Thread Size: 1.125 INCHES IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-386-9756 still in active supply?

NSN 5310-01-386-9756 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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