PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-306Hook,pelican

Hii Unmanned Systems, Inc · NSN 4030-01-621-6284 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-01-621-6284 — this item is cataloged by the U.S. Government under National Stock Number 4030-01-621-6284. Primary manufacturer part number: 21-306.
Features
  • Hook,pelican — FSC 4030
  • 1 verified cross-reference
  • Primary manufacturer: Hii Unmanned Systems, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hook,pelican, cataloged under National Stock Number 4030-01-621-6284, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Hii Unmanned Systems, Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4030-01-621-6284
Primary Part Number21-306
Item NameHook,pelican
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerHii Unmanned Systems, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
9540-00-145-8450 INTERCHANGEABLE
Angle,structural
3455-00-194-055058-10071 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5315-00-251-933221306 INTERCHANGEABLE
Pin,straight,headed
Komatsu America Corporation
5998-01-070-883221306 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5360-01-173-340521306 INTERCHANGEABLE
Spring,helical,compression
Barksdale, Inc
5340-01-279-2206 INTERCHANGEABLE
Holder,spring
4810-01-419-052021306-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-419-168521306-1001-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-419-476621306-851-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4030-01-469-694221-306 INTERCHANGEABLE
Hook,pelican
Johnson C Sherman Co Inc
Cross-Reference Index
Part NumberManufacturer
21-306 PRIMARY Hii Unmanned Systems, Inc (USA)
Related Parts
9540-00-145-8450INTERCHANGEABLE
ANGLE,STRUCTURAL
3455-00-194-0550INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10071
5315-00-251-9332INTERCHANGEABLE
PIN,STRAIGHT,HEADED
21306
5998-01-070-8832INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21306
5360-01-173-3405INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21306
5340-01-279-2206INTERCHANGEABLE
HOLDER,SPRING
4810-01-419-0520INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21306-002
4810-01-419-1685INTERCHANGEABLE
PISTON,VALVE
21306-1001-1
4820-01-419-4766INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21306-851-1
4030-01-469-6942INTERCHANGEABLE
HOOK,PELICAN
21-306
6515-01-592-9848INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL

Frequently Asked Questions

What is NSN 4030-01-621-6284?

NSN 4030-01-621-6284 is a Hook,pelican, manufactured by Hii Unmanned Systems, Inc, classified under FSC 4030 (No Item Name Available). Status: active.

What are the part numbers for NSN 4030-01-621-6284?

NSN 4030-01-621-6284 has 1 cross-referenced part number: 21-306 (Hii Unmanned Systems, Inc).

What NSN replaces 4030-01-621-6284?

There are 11 known substitutes for 4030-01-621-6284: 9540-00-145-8450, 3455-00-194-0550, 5315-00-251-9332 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-306?

Key specifications for 21-306: Part Name Assigned by Controlling Agency: TUBULAR PELICAN HOOK; End Item Identification: LIFE LINE FITTING. 2 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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