PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LL-HX4-7891Nut,self-Locking,hexagon

Defense Logistics Agency Dba Defense Supply Center Philadelphia · NSN 5310-01-251-2919 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-251-2919 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-251-2919. Primary manufacturer part number: LL-HX4-7891.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • 4 verified cross-references
  • Primary manufacturer: Defense Logistics Agency Dba Defense Supply Center Philadelphia
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-251-2919, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,self-Locking,hexagon
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersDefense Logistics Agency Dba Defense Supply Center Philadelphia (CAGE 14153); Harvard Industries Inc (CAGE 72962); Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (CAGE 52374)
Technical Specifications
ParameterValue
NSN5310-01-251-2919
Primary Part NumberLL-HX4-7891
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDefense Logistics Agency Dba Defense Supply Center Philadelphia
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-628-386029NTE-108 INTERCHANGEABLE
Nut,self-Locking,hexagon
Esna, Llc
5310-00-925-9642MS21083-N10 INTERCHANGEABLE
Nut,self-Locking,hexagon
Greer Stop Nut, Inc.
5365-01-342-0521 INTERCHANGEABLE
Ring,externally Threaded
5310-01-386-0735 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
LL-HX4-7891 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
29NTE-108 Harvard Industries Inc (USA)
CK1-29NTE-108 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
D-73539-110 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
Related Parts
5310-00-628-3860INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
29NTE-108
5310-00-925-9642INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21083-N10
5365-01-342-0521INTERCHANGEABLE
RING,EXTERNALLY THREADED
5310-01-386-0735INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-251-2919?

NSN 5310-01-251-2919 is a Nut,self-Locking,hexagon, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-251-2919?

NSN 5310-01-251-2919 has 4 cross-referenced part numbers: LL-HX4-7891 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 29NTE-108 (Harvard Industries Inc), CK1-29NTE-108 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), D-73539-110 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).

What NSN replaces 5310-01-251-2919?

There are 4 known substitutes for 5310-01-251-2919: 5310-00-628-3860, 5310-00-925-9642, 5365-01-342-0521 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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