PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1191BHatch,marine

Viking Manufacturing Company Corp Dba Viking Marine · NSN 2040-01-451-3876 · FSC 2040 · No Item Name Available
Verified by PartsTable
NSN 2040-01-451-3876 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-451-3876. Primary manufacturer part number: 1191B.
Features
  • Hatch,marine — FSC 2040
  • Opening Width: 9.500 INCHES NOMINAL IN
  • Opening Length: 19.500 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Viking Manufacturing Company Corp Dba Viking Marine
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hatch,marine, cataloged under National Stock Number 2040-01-451-3876, is classified within Federal Supply Class 2040 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Viking Manufacturing Company Corp Dba Viking Marine. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN2040-01-451-3876
Primary Part Number1191B
Item NameHatch,marine
FSC / FSG2040 / 20 — No Item Name Available
ManufacturerViking Manufacturing Company Corp Dba Viking Marine
StatusACTIVE
Opening Width9.500 INCHES NOMINAL IN
Opening Length19.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-00-235-6846200413181-01 INTERCHANGEABLE
Spacer,ring
Warner Robins Air Logistics Center
5120-00-491-6269ST128 INTERCHANGEABLE
Float
Kraft Tool Co
4940-00-923-6844 INTERCHANGEABLE
Control,valve Assem
3110-01-195-0076930037 INTERCHANGEABLE
Bearing,ball,duplex
New Hampshire Ball Bearings Inc Div Hitech Division
Cross-Reference Index
Part NumberManufacturer
JIN47/123 Ministry of Defence (navy) Ships Support Agency (GBR)
930037 Bvt Surface Fleet Support Ltd (halmatic Range) (GBR)
1191B PRIMARY Viking Manufacturing Company Corp Dba Viking Marine (USA)
02125 Aqua Marine International (GBR)
Related Parts
5365-00-235-6846INTERCHANGEABLE
SPACER,RING
200413181-01
5120-00-491-6269INTERCHANGEABLE
FLOAT
ST128
4940-00-923-6844INTERCHANGEABLE
CONTROL,VALVE ASSEM
3110-01-195-0076INTERCHANGEABLE
BEARING,BALL,DUPLEX
930037

Frequently Asked Questions

What is NSN 2040-01-451-3876?

NSN 2040-01-451-3876 is a Hatch,marine, manufactured by Viking Manufacturing Company Corp Dba Viking Marine, classified under FSC 2040 (No Item Name Available). Status: active.

What are the part numbers for NSN 2040-01-451-3876?

NSN 2040-01-451-3876 has 4 cross-referenced part numbers: JIN47/123 (Ministry of Defence (navy) Ships Support Agency), 930037 (Bvt Surface Fleet Support Ltd (halmatic Range)), 1191B (Viking Manufacturing Company Corp Dba Viking Marine), 02125 (Aqua Marine International).

What NSN replaces 2040-01-451-3876?

There are 4 known substitutes for 2040-01-451-3876: 5365-00-235-6846, 5120-00-491-6269, 4940-00-923-6844 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1191B?

Key specifications for 1191B: Opening Width: 9.500 INCHES NOMINAL IN; Opening Length: 19.500 INCHES NOMINAL IN; End Item Identification: 6.5M ARTIC RIDGID INFLATABLE BOAT, AQUA-MARINE MANUFACTURING (UK) LTD; Special Features: TOTAL DIMENSIONS 13.000 INCHES WIDTH BY 23.000 INCHES LENGTH; CUT-OUT DIMENSIONS 10.750 INCHES WIDTH BY 21.000 INCHES LENGTH; BLACK COLOR IN. 4 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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