PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TH4Turret Head Assembly

Oceta · NSN 5120-01-016-6621 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-016-6621 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-016-6621. Primary manufacturer part number: TH4.
Features
  • Turret Head Assembly — FSC 5120
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 2 verified cross-references
  • Primary manufacturer: Oceta
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Turret Head Assembly, cataloged under National Stock Number 5120-01-016-6621, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Oceta. Government technical data includes 3 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-016-6621
Primary Part NumberTH4
Item NameTurret Head Assembly
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerOceta
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-016-6554 INTERCHANGEABLE
Contact Positioner,terminal Crim
5965-00-647-397256502H3167033PC5 INTERCHANGEABLE
Microphone,magnetic
Naval Ship Systems Command
5120-01-335-8835TH4 INTERCHANGEABLE
Contact Positioner,terminal Crim
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
TH4 Oceta (FRA)
M22520-1-03 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5120-00-016-6554INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
5965-00-647-3972INTERCHANGEABLE
MICROPHONE,MAGNETIC
56502H3167033PC5
5120-01-335-8835INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
TH4

Frequently Asked Questions

What is NSN 5120-01-016-6621?

NSN 5120-01-016-6621 is a Turret Head Assembly, manufactured by Oceta, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-016-6621?

NSN 5120-01-016-6621 has 2 cross-referenced part numbers: TH4 (Oceta), M22520-1-03 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5120-01-016-6621?

There are 3 known substitutes for 5120-01-016-6621: 5120-00-016-6554, 5965-00-647-3972, 5120-01-335-8835. Verify interchangeability with system specifications before substitution.

What are the specifications of TH4?

Key specifications for TH4: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 3 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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