PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7905021Setscrew

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5305-01-209-7148 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-209-7148 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-209-7148. Primary manufacturer part number: 7905021.
Features
  • Setscrew — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Length: 1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
  • Point Chamfer Angle: 8.0 DEGREES MINIMUM
  • Head Diameter: 1.250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment: OXIDE OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-209-7148, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5305-01-209-7148
Primary Part Number7905021
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Length1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Point Chamfer Angle8.0 DEGREES MINIMUM
Head Diameter1.250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentOXIDE OVERALL
Nominal Thread Diameter0.375 INCHES IN
Point Swivel Included Angle16.0 DEGREES NOMINAL
Head Height0.500 INCHES NOMINAL IN
Internal Drive StyleW/O INTERNAL DRIVE
Thread Class2A A
Thread Quantity Per Inch16
Point Length0.240 INCHES NOMINAL IN
Point Diameter0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Fastener Length1.500 INCHES NOMINAL IN
Head StyleKNURLED NO. 4
Point StyleUNIVERSAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4920-00-082-9157790502-1 INTERCHANGEABLE
Overhaul Kit,stabil
Lockheed Martin Corp
5330-00-185-8514 INTERCHANGEABLE
Gasket
3439-00-640-277312-120 INTERCHANGEABLE
Soldering Pliers,electric
Ideal Industries, Inc.
8030-00-753-5011 INTERCHANGEABLE
Glazing Compound,sash
3040-00-932-7840 INTERCHANGEABLE
Clamp,hub
5950-01-041-651712120 INTERCHANGEABLE
Transformer,power
L3 Technologies, Inc. Div Communication Systems-West
6150-01-047-534917254 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5325-01-211-0645 INTERCHANGEABLE
Grommet,nonmetallic
3455-01-216-784512120 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
6240-01-268-2223 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
7905021 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
12120 Siewek Tool Co Inc (USA)
Related Parts
4920-00-082-9157INTERCHANGEABLE
OVERHAUL KIT,STABIL
790502-1
5330-00-185-8514INTERCHANGEABLE
GASKET
3439-00-640-2773INTERCHANGEABLE
SOLDERING PLIERS,ELECTRIC
12-120
8030-00-753-5011INTERCHANGEABLE
GLAZING COMPOUND,SASH
3040-00-932-7840INTERCHANGEABLE
CLAMP,HUB
5950-01-041-6517INTERCHANGEABLE
TRANSFORMER,POWER
12120
6150-01-047-5349INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
17254
5325-01-211-0645INTERCHANGEABLE
GROMMET,NONMETALLIC
3455-01-216-7845INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12120
6240-01-268-2223INTERCHANGEABLE
LAMP,INCANDESCENT
4210-01-388-2636INTERCHANGEABLE
EXTINGUISHER,FIRE
434747
4730-01-571-2616INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
121-20

Frequently Asked Questions

What is NSN 5305-01-209-7148?

NSN 5305-01-209-7148 is a Setscrew, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-209-7148?

NSN 5305-01-209-7148 has 2 cross-referenced part numbers: 7905021 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 12120 (Siewek Tool Co Inc).

What NSN replaces 5305-01-209-7148?

There are 12 known substitutes for 5305-01-209-7148: 4920-00-082-9157, 5330-00-185-8514, 3439-00-640-2773 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7905021?

Key specifications for 7905021: Thread Direction: RIGHT-HAND; Thread Length: 1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Point Chamfer Angle: 8.0 DEGREES MINIMUM; Head Diameter: 1.250 INCHES NOMINAL IN. 19 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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