PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

440-8843168-89Screw,cap,hexagon Head

Naval Sea Systems Command · NSN 5305-01-729-2627 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-729-2627 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-729-2627. Primary manufacturer part number: 440-8843168-89.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • 7 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-729-2627, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,cap,hexagon Head
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersNaval Sea Systems Command (CAGE 53711); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349)
Technical Specifications
ParameterValue
NSN5305-01-729-2627
Primary Part Number440-8843168-89
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5325-01-720-1072 INTERCHANGEABLE
Ring,retaining
5330-01-721-0975 INTERCHANGEABLE
Gasket
3130-01-722-7839440-8843168-62 INTERCHANGEABLE
Bearing Unit,plain
Naval Sea Systems Command
5305-01-722-8346 INTERCHANGEABLE
Screw,cap,hexagon Head
5330-01-723-0387440-8843168-53 INTERCHANGEABLE
Gasket
Naval Sea Systems Command
5330-01-723-4873845-4677382-40 INTERCHANGEABLE
Packing Assembly
Naval Sea Systems Command
4820-01-723-5993440-8843168-12 INTERCHANGEABLE
Flange,gland,valve
Naval Sea Systems Command
2040-01-734-6226 INTERCHANGEABLE
Cylinder Assembly,reaction
Cross-Reference Index
Part NumberManufacturer
440-8843168-89 Naval Sea Systems Command (USA)
LOA036473-89 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
0.625-11UNC-2AX2.750LG NICUAL Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1222RN10C244NCNN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
218139451 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
R4342501-89 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
8843168 Naval Sea Systems Command (USA)
Related Parts
5325-01-720-1072INTERCHANGEABLE
RING,RETAINING
5330-01-721-0975INTERCHANGEABLE
GASKET
3130-01-722-7839INTERCHANGEABLE
BEARING UNIT,PLAIN
440-8843168-62
5305-01-722-8346INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5330-01-723-0387INTERCHANGEABLE
GASKET
440-8843168-53
5330-01-723-4873INTERCHANGEABLE
PACKING ASSEMBLY
845-4677382-40
4820-01-723-5993INTERCHANGEABLE
FLANGE,GLAND,VALVE
440-8843168-12
2040-01-734-6226INTERCHANGEABLE
CYLINDER ASSEMBLY,REACTION

Frequently Asked Questions

What is NSN 5305-01-729-2627?

NSN 5305-01-729-2627 is a Screw,cap,hexagon Head, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-729-2627?

NSN 5305-01-729-2627 has 7 cross-referenced part numbers: 440-8843168-89 (Naval Sea Systems Command), LOA036473-89 (Electric Boat Corporation Div General Dynamics Electric Boat), 0.625-11UNC-2AX2.750LG NICUAL (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1222RN10C244NCNN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 218139451 (Electric Boat Corporation Div General Dynamics Electric Boat) and 2 more.

What NSN replaces 5305-01-729-2627?

There are 8 known substitutes for 5305-01-729-2627: 5325-01-720-1072, 5330-01-721-0975, 3130-01-722-7839 and 5 more. Verify interchangeability with system specifications before substitution.

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