PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7520Screw,cap,socket Head

Hdt Expeditionary Systems Inc · NSN 5305-01-022-1950 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-022-1950 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-022-1950. Primary manufacturer part number: 7520.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Head Diameter: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Internal Drive Style: HEXAGON
  • Thread Quantity Per Inch: 24
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-022-1950, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-022-1950
Primary Part Number7520
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Fastener Length0.375 INCHES NOMINAL IN
Thread Series DesignatorUNF
Head Diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Thread Quantity Per Inch24
Nominal Thread Diameter0.190 INCHES IN
Head StyleFLAT CHAMFER
Thread Length0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-082-4939 INTERCHANGEABLE
Terminal,lug
3110-00-155-6252 INTERCHANGEABLE
Bearing,ball,annular
4730-00-169-409875-2-0 INTERCHANGEABLE
Coupling,clamp,pipe
Victaulic Company of America Inc Dba Victaulic Company of America
6640-00-241-6520 INTERCHANGEABLE
Pipet,serological
6640-00-437-800037004-5 INTERCHANGEABLE
Pipet,volumetric
Gerresheimer Glass Inc Div Gerresheimer Glass
4820-00-484-0673 INTERCHANGEABLE
Flapper,rubber
6135-00-835-721013A INTERCHANGEABLE
Battery,nonrechargeable
American National Standards Institute Incorporated Dba American National Standards Institute
4510-00-927-5561 INTERCHANGEABLE
Faucet,double
3030-00-936-717315520 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5935-00-985-04277520 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
7520 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5940-00-082-4939INTERCHANGEABLE
TERMINAL,LUG
3110-00-155-6252INTERCHANGEABLE
BEARING,BALL,ANNULAR
4730-00-169-4098INTERCHANGEABLE
COUPLING,CLAMP,PIPE
75-2-0
6640-00-241-6520INTERCHANGEABLE
PIPET,SEROLOGICAL
6640-00-437-8000INTERCHANGEABLE
PIPET,VOLUMETRIC
37004-5
4820-00-484-0673INTERCHANGEABLE
FLAPPER,RUBBER
6135-00-835-7210INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
13A
4510-00-927-5561INTERCHANGEABLE
FAUCET,DOUBLE
3030-00-936-7173INTERCHANGEABLE
BELT,V
15520
5935-00-985-0427INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7520
5325-01-129-2950INTERCHANGEABLE
RING,RETAINING
7520
5330-01-236-2379INTERCHANGEABLE
GASKET
7520

Frequently Asked Questions

What is NSN 5305-01-022-1950?

NSN 5305-01-022-1950 is a Screw,cap,socket Head, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-022-1950?

NSN 5305-01-022-1950 has 1 cross-referenced part number: 7520 (Hdt Expeditionary Systems Inc).

What NSN replaces 5305-01-022-1950?

There are 12 known substitutes for 5305-01-022-1950: 5940-00-082-4939, 3110-00-155-6252, 4730-00-169-4098 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7520?

Key specifications for 7520: Fastener Length: 0.375 INCHES NOMINAL IN; Thread Series Designator: UNF; Head Diameter: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 10 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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