PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

505-104Parts Kit,diving Helmet

Kirby Morgan Dive Systems Inc · NSN 4220-01-693-7949 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-693-7949 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-693-7949. Primary manufacturer part number: 505-104.
Features
  • Parts Kit,diving Helmet — FSC 4220
  • Functional Classification: USE WITH HELMET
  • Accessory Component Quantity: 42
  • Supply Items and Quantities: CHIN STRAP (HELMET ATTACHED), PULL STRAP ASSEMBLY, NECK O-RING, X-LARGE NEOPRENE NECK DAM, SCREWS, SPLIT RING, STRAP PLATE, STEPPED NECK DAM RING
  • Component Quantity: 42
  • Unit Package Quantity: 42
  • 1 verified cross-reference
  • Primary manufacturer: Kirby Morgan Dive Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Parts Kit,diving Helmet, cataloged under National Stock Number 4220-01-693-7949, is classified within Federal Supply Class 4220 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Kirby Morgan Dive Systems Inc. Government technical data includes 5 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-693-7949
Primary Part Number505-104
Item NameParts Kit,diving Helmet
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
Functional ClassificationUSE WITH HELMET
Accessory Component Quantity42
Supply Items and QuantitiesCHIN STRAP (HELMET ATTACHED), PULL STRAP ASSEMBLY, NECK O-RING, X-LARGE NEOPRENE NECK DAM, SCREWS, SPLIT RING, STRAP PLATE, STEPPED NECK DAM RING
Component Quantity42
Unit Package Quantity42
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2840-00-021-7661505104 INTERCHANGEABLE
Housing,gearbox,turbine Engine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6515-00-335-7900505104 INTERCHANGEABLE
Forceps,laryngeal
Teleflex Medical Incorporated Dba Teleflex Medical Inc
2530-00-426-1027505104 INTERCHANGEABLE
Oil Seal Assembly
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5961-00-921-3781 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
505-104 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
2840-00-021-7661INTERCHANGEABLE
HOUSING,GEARBOX,TURBINE ENGINE
505104
6515-00-335-7900INTERCHANGEABLE
FORCEPS,LARYNGEAL
505104
2530-00-426-1027INTERCHANGEABLE
OIL SEAL ASSEMBLY
505104
5961-00-921-3781INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 4220-01-693-7949?

NSN 4220-01-693-7949 is a Parts Kit,diving Helmet, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-693-7949?

NSN 4220-01-693-7949 has 1 cross-referenced part number: 505-104 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-693-7949?

There are 4 known substitutes for 4220-01-693-7949: 2840-00-021-7661, 6515-00-335-7900, 2530-00-426-1027 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 505-104?

Key specifications for 505-104: End Item Identification: SUPERLITE 27; Functional Classification: USE WITH HELMET; Accessory Component Quantity: 42; Supply Items and Quantities: CHIN STRAP (HELMET ATTACHED), PULL STRAP ASSEMBLY, NECK O-RING, X-LARGE NEOPRENE NECK DAM, SCREWS, SPLIT RING, STRAP PLATE, STEPPED NECK DAM RING. 7 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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