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NSN 4220-01-441-3864Government record, cited
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Diver's Suit4220-01-441-3864

NSN 4220-01-441-3864 · NIIN 014413864 · Part number IS313-L
Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 027D0
Government record, cited
NSN 4220-01-441-3864 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-441-3864. Manufacturer of record part number: IS313-L.
Also searched as  4220-01-441-3864 · 4220014413864 · NIIN 014413864 · 01-441-3864 · FSC 4220 Marine Lifesaving and Diving Equipment · CAGE 027D0 · IS313-L · 1S313-L · 3462AS102 · 3462AS102-4 · MNTI462-GL-L
Nearby stock numbers  ·
Features
  • Diver's Suit — FSC 4220
  • Entrance Location: FRONT
  • Design Type: ONE-PIECE
  • Attached Cuffs: NOT INCLUDED
  • Size Designation: LARGE SHORT
  • Leg Lacing Provision: NOT INCLUDED
  • Material: RUBBER CHLOROPRENE CLASS CR
  • 3 manufacturer part numbers on file
Identification
  • NSN: 4220-01-441-3864
  • NIIN: 014413864
  • FSC: 4220 — Marine Lifesaving and Diving Equipment
  • FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
  • Primary part number: IS313-L
  • Manufacturer: Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
General Description

The Diver's Suit, cataloged under National Stock Number 4220-01-441-3864, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-441-3864
Primary Part NumberIS313-L
Item NameDiver's Suit
FSC / FSG4220 / 42 — Marine Lifesaving and Diving Equipment
ManufacturerAquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
StatusACTIVE
Entrance LocationFRONT
Design TypeONE-PIECE
Attached CuffsNOT INCLUDED
Size DesignationLARGE SHORT
Leg Lacing ProvisionNOT INCLUDED
MaterialRUBBER CHLOROPRENE CLASS CR
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4220-01-441-4283IS313-XL POSSIBLE MATCH
DIVER'S SUIT
Possible match (shared part number)Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
4220-01-441-4286IS313-XXL POSSIBLE MATCH
DIVER'S SUIT
Possible match (shared part number)Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
4220-01-441-4291WIS313-S POSSIBLE MATCH
DIVER'S SUIT
Possible match (shared part number)Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
4220-01-441-4302WIS313-M POSSIBLE MATCH
DIVER'S SUIT
Possible match (shared part number)Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
4220-01-441-4344WIS313-ML POSSIBLE MATCH
DIVER'S SUIT
Possible match (shared part number)Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
4220-01-441-4351WIS313-L POSSIBLE MATCH
DIVER'S SUIT
Possible match (shared part number)Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
4220-01-441-4356WIS313-XL POSSIBLE MATCH
DIVER'S SUIT
Possible match (shared part number)Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
4220-01-441-4813WIS313-XXL POSSIBLE MATCH
DIVER'S SUIT
Possible match (shared part number)Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
Cross-Reference Index
Part NumberManufacturer
IS313-L PRIMARY Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla (USA)
3462AS102-4 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
MNTI462-GL-L Harveys Skin Diving Suits Inc (USA)
Reference documents
ReferenceMeaning
1S313-L 5/9 Secondary reference
Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla
3462AS102 D/9 Drawing number reference only
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Related Parts
4220-01-441-4283POSSIBLE MATCH
DIVER'S SUIT
IS313-XL
4220-01-441-4286POSSIBLE MATCH
DIVER'S SUIT
IS313-XXL
4220-01-441-4291POSSIBLE MATCH
DIVER'S SUIT
WIS313-S
4220-01-441-4302POSSIBLE MATCH
DIVER'S SUIT
WIS313-M
4220-01-441-4344POSSIBLE MATCH
DIVER'S SUIT
WIS313-ML
4220-01-441-4351POSSIBLE MATCH
DIVER'S SUIT
WIS313-L
4220-01-441-4356POSSIBLE MATCH
DIVER'S SUIT
WIS313-XL
4220-01-441-4813POSSIBLE MATCH
DIVER'S SUIT
WIS313-XXL

Frequently Asked Questions

What is NSN 4220-01-441-3864?

NSN 4220-01-441-3864 is a Diver's Suit, manufactured by Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.

What part numbers are listed for NSN 4220-01-441-3864?

NSN 4220-01-441-3864 has 3 manufacturer part numbers on file: IS313-L (Aquatic Fabricators of South Florida, Inc. Dba Aquatic Fabricators of South Fla), 3462AS102-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), MNTI462-GL-L (Harveys Skin Diving Suits Inc).

What NSN replaces 4220-01-441-3864?

8 possible matches (shared part number, not a government interchangeability claim): 4220-01-441-4283, 4220-01-441-4286, 4220-01-441-4291. Verify interchangeability with system specifications before substitution.

What are the specifications of IS313-L?

Key specifications for IS313-L: Entrance Location: FRONT; Design Type: ONE-PIECE; Attached Cuffs: NOT INCLUDED; Size Designation: LARGE SHORT. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4220-01-441-3864 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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