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NSN 2040-01-453-6879Government record, cited
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Hatch, Marine2040-01-453-6879

NSN 2040-01-453-6879 · NIIN 014536879
FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment
Government record, cited
Also searched as  2040-01-453-6879 · 2040014536879 · NIIN 014536879 · 01-453-6879 · FSC 2040 Marine Hardware and Hull Items · B-314902 OFN.002-56 · B-314902 · 805-1624093
Nearby stock numbers  ·
Features
  • Hatch,marine — FSC 2040
  • Opening Length: 24.000 INCHES NOMINAL IN
  • Opening Width: 36.000 INCHES NOMINAL IN
  • Coaming Height: 0.500 INCHES NOMINAL IN
  • Coaming Thickness: 5.000 INCHES NOMINAL IN
  • Installation Design: FLUSH
Identification
  • NSN: 2040-01-453-6879
  • NIIN: 014536879
  • FSC: 2040 — Marine Hardware and Hull Items
  • FSG: 20 — Ship and Marine Equipment
General Description

The Hatch,marine, cataloged under National Stock Number 2040-01-453-6879, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
NSN2040-01-453-6879
Item NameHatch,marine
FSC / FSG2040 / 20 — Marine Hardware and Hull Items
StatusACTIVE
Opening Length24.000 INCHES NOMINAL IN
Opening Width36.000 INCHES NOMINAL IN
Coaming Height0.500 INCHES NOMINAL IN
Coaming Thickness5.000 INCHES NOMINAL IN
Installation DesignFLUSH
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-01-457-9039B-314902 POSSIBLE MATCH
HATCH,MARINE
Possible match (shared part number)Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0990B-134902 ITEM 28 POSSIBLE MATCH
HATCH,MARINE
Possible match (shared part number)Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0993B-314902 ITEM 27 POSSIBLE MATCH
HATCH,MARINE
Possible match (shared part number)Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0994B-314902 ITEM 5 POSSIBLE MATCH
HATCH,MARINE
Possible match (shared part number)Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0997B-314902 ITEM 23 POSSIBLE MATCH
HATCH,MARINE
Possible match (shared part number)Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0998B-314902 ITEM 16 POSSIBLE MATCH
HATCH,MARINE
Possible match (shared part number)Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0999B-314902 ITEM 44 POSSIBLE MATCH
HATCH,MARINE
Possible match (shared part number)Railway Specialties Corp Div Railway Specialties Corporation
5340-01-683-3173805-1624093 REV E PC NO. 67 POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Ship Systems Command
5310-01-683-3264805-1624093 REV E PC NO. 71 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
B-314902 OFN.002-56 3/2 Design control — primary reference
U.S. Government activity
B-314902 D/9 Drawing number reference only
U.S. Government activity
805-1624093 D/9 Drawing number reference only
Naval Sea Systems Command
Related Parts
2040-01-457-9039POSSIBLE MATCH
HATCH,MARINE
B-314902
2040-01-460-0990POSSIBLE MATCH
HATCH,MARINE
B-134902 ITEM 28
2040-01-460-0993POSSIBLE MATCH
HATCH,MARINE
B-314902 ITEM 27
2040-01-460-0994POSSIBLE MATCH
HATCH,MARINE
B-314902 ITEM 5
2040-01-460-0997POSSIBLE MATCH
HATCH,MARINE
B-314902 ITEM 23
2040-01-460-0998POSSIBLE MATCH
HATCH,MARINE
B-314902 ITEM 16
2040-01-460-0999POSSIBLE MATCH
HATCH,MARINE
B-314902 ITEM 44
5340-01-683-3173POSSIBLE MATCH
BRACKET,MOUNTING
805-1624093 REV E PC NO. 67
5310-01-683-3264POSSIBLE MATCH
WASHER,FLAT
805-1624093 REV E PC NO. 71

Frequently Asked Questions

What is NSN 2040-01-453-6879?

NSN 2040-01-453-6879 is a Hatch,marine, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What NSN replaces 2040-01-453-6879?

9 possible matches (shared part number, not a government interchangeability claim): 2040-01-457-9039, 2040-01-460-0990, 2040-01-460-0993. Verify interchangeability with system specifications before substitution.

What are the specifications of 2040-01-453-6879?

Key specifications for 2040-01-453-6879: Opening Length: 24.000 INCHES NOMINAL IN; Opening Width: 36.000 INCHES NOMINAL IN; Coaming Height: 0.500 INCHES NOMINAL IN; Coaming Thickness: 5.000 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 2040-01-453-6879 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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