PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1222SN16C396NCLNScrew,cap,socket Head

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-01-735-0139 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-735-0139 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-735-0139. Primary manufacturer part number: M1222SN16C396NCLN.
Features
  • Screw,cap,socket Head — FSC 5305
  • 4 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-735-0139, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,cap,socket Head
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Naval Sea Systems Command (CAGE 53711)
Technical Specifications
ParameterValue
NSN5305-01-735-0139
Primary Part NumberM1222SN16C396NCLN
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-01-715-9299 INTERCHANGEABLE
Nut,self-Locking,hexagon
5330-01-716-1002 INTERCHANGEABLE
Retainer,seal
4820-01-716-1003 INTERCHANGEABLE
Stem,fluid Valve
4820-01-716-1088 INTERCHANGEABLE
Stem,fluid Valve
5330-01-716-1847 INTERCHANGEABLE
Retainer,seal
5310-01-716-1863 INTERCHANGEABLE
Nut,stem,retaining
5310-01-716-1866 INTERCHANGEABLE
Nut,stem,retaining Backup Valve
4820-01-717-2269 INTERCHANGEABLE
Valve,ball
5305-01-735-0057845-8617202-47 INTERCHANGEABLE
Screw,drive
Naval Sea Systems Command
4820-01-735-6288 INTERCHANGEABLE
Valve,ball
Cross-Reference Index
Part NumberManufacturer
M1222SN16C396NCLN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2644-859-10-33 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
8617202 Naval Sea Systems Command (USA)
845-8617202-33 Naval Sea Systems Command (USA)
Related Parts
5310-01-715-9299INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5330-01-716-1002INTERCHANGEABLE
RETAINER,SEAL
4820-01-716-1003INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-716-1088INTERCHANGEABLE
STEM,FLUID VALVE
5330-01-716-1847INTERCHANGEABLE
RETAINER,SEAL
5310-01-716-1863INTERCHANGEABLE
NUT,STEM,RETAINING
5310-01-716-1866INTERCHANGEABLE
NUT,STEM,RETAINING BACKUP VALVE
4820-01-717-2269INTERCHANGEABLE
VALVE,BALL
5305-01-735-0057INTERCHANGEABLE
SCREW,DRIVE
845-8617202-47
4820-01-735-6288INTERCHANGEABLE
VALVE,BALL
4820-01-735-7010INTERCHANGEABLE
STEM,NEEDLE VALVE
4820-01-735-7210INTERCHANGEABLE
STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 5305-01-735-0139?

NSN 5305-01-735-0139 is a Screw,cap,socket Head, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-735-0139?

NSN 5305-01-735-0139 has 4 cross-referenced part numbers: M1222SN16C396NCLN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2644-859-10-33 (Electric Boat Corporation Div General Dynamics Electric Boat), 8617202 (Naval Sea Systems Command), 845-8617202-33 (Naval Sea Systems Command).

What NSN replaces 5305-01-735-0139?

There are 12 known substitutes for 5305-01-735-0139: 5310-01-715-9299, 5330-01-716-1002, 4820-01-716-1003 and 9 more. Verify interchangeability with system specifications before substitution.

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