PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NASM21043-4Selflkg Hex Nut

Sae International Dba Sae International · NSN 5310-01-550-1589 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-550-1589 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-550-1589. Primary manufacturer part number: NASM21043-4.
Features
  • Selflkg Hex Nut — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Selflkg Hex Nut, cataloged under National Stock Number 5310-01-550-1589, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. This item has 2 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: Active.

Catalog Facts
Item NameSelflkg Hex Nut
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersSae International Dba Sae International (CAGE 0U583); Society of Automotive Engineers Inc (CAGE 81343)
Technical Specifications
ParameterValue
NSN5310-01-550-1589
Primary Part NumberNASM21043-4
Item NameSelflkg Hex Nut
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-844-48722638719 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
Cross-Reference Index
Part NumberManufacturer
NASM21043-4 PRIMARY Sae International Dba Sae International (USA)
NASM21043-4 Society of Automotive Engineers Inc (USA)
Related Parts
5310-00-844-4872INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
2638719

Frequently Asked Questions

What is NSN 5310-01-550-1589?

NSN 5310-01-550-1589 is a Selflkg Hex Nut, manufactured by Sae International Dba Sae International, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-550-1589?

NSN 5310-01-550-1589 has 2 cross-referenced part numbers: NASM21043-4 (Sae International Dba Sae International), NASM21043-4 (Society of Automotive Engineers Inc).

What NSN replaces 5310-01-550-1589?

There is 1 known substitute for 5310-01-550-1589: 5310-00-844-4872. Verify interchangeability with system specifications before substitution.

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