PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

957303Nut,bracket,gas Cylinder

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5310-00-384-2139 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-384-2139 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-384-2139. Primary manufacturer part number: 957303.
Features
  • Nut,bracket,gas Cylinder — FSC 5310
  • General Characteristics Item Description: CARBON STEEL PER QQ-S-634 AISI 1040
  • 4 verified cross-references
  • Primary manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,bracket,gas Cylinder, cataloged under National Stock Number 5310-00-384-2139, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-384-2139
Primary Part Number957303
Item NameNut,bracket,gas Cylinder
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
General Characteristics Item DescriptionCARBON STEEL PER QQ-S-634 AISI 1040
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5306-00-356-160510781 INTERCHANGEABLE
Bolt,machine
Honeywell International Inc Dba Honeywell Div Consumer Products Group
Cross-Reference Index
Part NumberManufacturer
957303 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
957303 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
7771537 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
7771537 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5306-00-356-1605INTERCHANGEABLE
BOLT,MACHINE
10781

Frequently Asked Questions

What is NSN 5310-00-384-2139?

NSN 5310-00-384-2139 is a Nut,bracket,gas Cylinder, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-384-2139?

NSN 5310-00-384-2139 has 4 cross-referenced part numbers: 957303 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 957303 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 7771537 (Naval Inventory Control Point Mechanicsburg), 7771537 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5310-00-384-2139?

There is 1 known substitute for 5310-00-384-2139: 5306-00-356-1605. Verify interchangeability with system specifications before substitution.

What are the specifications of 957303?

Key specifications for 957303: General Characteristics Item Description: CARBON STEEL PER QQ-S-634 AISI 1040; End Item Identification: 20MM GUN MK12 MOD0 MM. 2 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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