PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2733878Screw,cap,socket Head

Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div · NSN 5305-01-170-7756 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-170-7756 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-170-7756. Primary manufacturer part number: 2733878.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Quantity Per Inch: 32
  • Thread Series Designator: UNRC
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Width Across Flats: 0.110 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Length: 0.750 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-170-7756, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-170-7756
Primary Part Number2733878
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerParker Hannifin Corp Aerospace Group Aerospace Hydraulics Div
StatusACTIVE
Thread Quantity Per Inch32
Thread Series DesignatorUNRC
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Width Across Flats0.110 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Length0.750 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
Head Diameter0.222 INCHES NOMINAL IN
Fastener Length0.646 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.135 INCHES IN
Head Height0.136 INCHES NOMINAL IN
Minimum Tensile Strength130000 POUNDS PER SQUARE INCH LBS
Thread Class3A A
Head StyleFLAT CHAMFER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-450-3271GS839DV4 INTERCHANGEABLE
Switch,proximity
Northrop Grumman Systems Corporation
2520-00-646-70577371022 INTERCHANGEABLE
Parts Kit,driving Axle Different
U S Army Tank Automotive Command Amsta-Im-Mm
6110-01-503-238580-0608 INTERCHANGEABLE
Panel,power Distribution
Rsi Inc
5985-01-581-4397303183 INTERCHANGEABLE
Mast Section
Mastsystem Int'l Oy
Cross-Reference Index
Part NumberManufacturer
2733878 PRIMARY Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div (USA)
2733878 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
2733878 Federal Industries, Inc. Dba United Valve Company (USA)
800608 Lee Evans Defense Pool Inc (USA)
Related Parts
5930-00-450-3271INTERCHANGEABLE
SWITCH,PROXIMITY
GS839DV4
2520-00-646-7057INTERCHANGEABLE
PARTS KIT,DRIVING AXLE DIFFERENT
7371022
6110-01-503-2385INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
80-0608
5985-01-581-4397INTERCHANGEABLE
MAST SECTION
303183

Frequently Asked Questions

What is NSN 5305-01-170-7756?

NSN 5305-01-170-7756 is a Screw,cap,socket Head, manufactured by Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-170-7756?

NSN 5305-01-170-7756 has 4 cross-referenced part numbers: 2733878 (Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div), 2733878 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 2733878 (Federal Industries, Inc. Dba United Valve Company), 800608 (Lee Evans Defense Pool Inc).

What NSN replaces 5305-01-170-7756?

There are 4 known substitutes for 5305-01-170-7756: 5930-00-450-3271, 2520-00-646-7057, 6110-01-503-2385 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2733878?

Key specifications for 2733878: Thread Quantity Per Inch: 32; Thread Series Designator: UNRC; Surface Treatment: CADMIUM OVERALL; Material: STEEL CORROSION RESISTING OVERALL. 16 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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