PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43030Screw,shoulder

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5305-00-297-2761 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-297-2761 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-297-2761. Primary manufacturer part number: 43030.
Features
  • Screw,shoulder — FSC 5305
  • Shoulder Shape: ROUND FIRST SHOULDER
  • Shoulder Diameter: 0.375 INCHES NOMINAL FIRST SHOULDER IN
  • Thread Series Designator: UNF
  • Shoulder Length: 0.070 INCHES MINIMUM AND 0.085 INCHES MAXIMUM FIRST SHOULDER IN
  • Thread Quantity Per Inch: 32
  • Material: STEEL COMP 303 OVERALL
  • Surface Treatment Document and Classification: GPS20-200,FSCM 24930 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-00-297-2761, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 17 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-297-2761
Primary Part Number43030
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Shoulder ShapeROUND FIRST SHOULDER
Shoulder Diameter0.375 INCHES NOMINAL FIRST SHOULDER IN
Thread Series DesignatorUNF
Shoulder Length0.070 INCHES MINIMUM AND 0.085 INCHES MAXIMUM FIRST SHOULDER IN
Thread Quantity Per Inch32
MaterialSTEEL COMP 303 OVERALL
Surface Treatment Document and ClassificationGPS20-200,FSCM 24930 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Nominal Thread Diameter0.190 INCHES IN
Thread Length0.500 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Head Diameter0.500 INCHES NOMINAL IN
Fastener Length0.656 INCHES NOMINAL IN
Head StyleFLAT CHAMFER
Head Height0.062 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-194-0261716-080460 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
5310-00-286-358043030 INTERCHANGEABLE
Nut,plain,cap
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5970-00-795-288643030-0052 INTERCHANGEABLE
Insulator,washer
Honeywell International Inc Dba Honeywell
6625-01-083-8979430-30 INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
2990-01-289-171611026 INTERCHANGEABLE
Muffler,exhaust
Donaldson Company, Inc.
6515-01-310-635243044-05 INTERCHANGEABLE
Liner,surgical Suction Canister
Abbott Laboratories Inc. Div Hospital Products Division
Cross-Reference Index
Part NumberManufacturer
43030 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
3455-00-194-0261INTERCHANGEABLE
CUTTER,MILLING,END
716-080460
5310-00-286-3580INTERCHANGEABLE
NUT,PLAIN,CAP
43030
5970-00-795-2886INTERCHANGEABLE
INSULATOR,WASHER
43030-0052
6625-01-083-8979INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
430-30
2990-01-289-1716INTERCHANGEABLE
MUFFLER,EXHAUST
11026
6515-01-310-6352INTERCHANGEABLE
LINER,SURGICAL SUCTION CANISTER
43044-05

Frequently Asked Questions

What is NSN 5305-00-297-2761?

NSN 5305-00-297-2761 is a Screw,shoulder, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-297-2761?

NSN 5305-00-297-2761 has 1 cross-referenced part number: 43030 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5305-00-297-2761?

There are 6 known substitutes for 5305-00-297-2761: 3455-00-194-0261, 5310-00-286-3580, 5970-00-795-2886 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43030?

Key specifications for 43030: Shoulder Shape: ROUND FIRST SHOULDER; Shoulder Diameter: 0.375 INCHES NOMINAL FIRST SHOULDER IN; Thread Series Designator: UNF; Shoulder Length: 0.070 INCHES MINIMUM AND 0.085 INCHES MAXIMUM FIRST SHOULDER IN. 17 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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