PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-134902 ITEM 28Hatch,marine

Railway Specialties Corp Div Railway Specialties Corporation · NSN 2040-01-460-0990 · FSC 2040 · No Item Name Available
Verified by PartsTable
NSN 2040-01-460-0990 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-460-0990. Primary manufacturer part number: B-134902 ITEM 28.
Features
  • Hatch,marine — FSC 2040
  • Material: STEEL CORROSION RESISTING PANEL
  • Operating Location: ABOVE AND BELOW
  • Scuttle: INCLUDED
  • Hasp: INCLUDED
  • Coaming Thickness: 0.5000 INCHES NOMINAL IN
  • Opening Length: 30.000 INCHES NOMINAL IN
  • Coaming Height: 7.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Corrosion Resisting Panel construction
General Description

The Hatch,marine, cataloged under National Stock Number 2040-01-460-0990, is classified within Federal Supply Class 2040 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Railway Specialties Corp Div Railway Specialties Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2040-01-460-0990
Primary Part NumberB-134902 ITEM 28
Item NameHatch,marine
FSC / FSG2040 / 20 — No Item Name Available
ManufacturerRailway Specialties Corp Div Railway Specialties Corporation
StatusACTIVE
MaterialSTEEL CORROSION RESISTING PANEL
Operating LocationABOVE AND BELOW
ScuttleINCLUDED
HaspINCLUDED
Coaming Thickness0.5000 INCHES NOMINAL IN
Opening Length30.000 INCHES NOMINAL IN
Coaming Height7.000 INCHES NOMINAL IN
Spring Balance FeatureNOT INCLUDED
Installation DesignRAISED
Operating Control TypeINDIVIDUAL DOG
Opening Width30.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2040-01-452-0072B-314902 0FN.003-35 INTERCHANGEABLE
Scuttle,marine
Railway Specialties Corp Div Railway Specialties Corporation
2040-01-457-9039B-314902 INTERCHANGEABLE
Hatch,marine
Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0993B-314902 ITEM 27 INTERCHANGEABLE
Hatch,marine
Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0994B-314902 ITEM 5 INTERCHANGEABLE
Hatch,marine
Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0997B-314902 ITEM 23 INTERCHANGEABLE
Hatch,marine
Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0998B-314902 ITEM 16 INTERCHANGEABLE
Hatch,marine
Railway Specialties Corp Div Railway Specialties Corporation
2040-01-460-0999B-314902 ITEM 44 INTERCHANGEABLE
Hatch,marine
Railway Specialties Corp Div Railway Specialties Corporation
Cross-Reference Index
Part NumberManufacturer
B-134902 ITEM 28 PRIMARY Railway Specialties Corp Div Railway Specialties Corporation (USA)
B-314902 Railway Specialties Corp Div Railway Specialties Corporation (USA)
Related Parts
2040-01-452-0072INTERCHANGEABLE
SCUTTLE,MARINE
B-314902 0FN.003-35
2040-01-457-9039INTERCHANGEABLE
HATCH,MARINE
B-314902
2040-01-460-0993INTERCHANGEABLE
HATCH,MARINE
B-314902 ITEM 27
2040-01-460-0994INTERCHANGEABLE
HATCH,MARINE
B-314902 ITEM 5
2040-01-460-0997INTERCHANGEABLE
HATCH,MARINE
B-314902 ITEM 23
2040-01-460-0998INTERCHANGEABLE
HATCH,MARINE
B-314902 ITEM 16
2040-01-460-0999INTERCHANGEABLE
HATCH,MARINE
B-314902 ITEM 44

Frequently Asked Questions

What is NSN 2040-01-460-0990?

NSN 2040-01-460-0990 is a Hatch,marine, manufactured by Railway Specialties Corp Div Railway Specialties Corporation, classified under FSC 2040 (No Item Name Available). Status: active.

What are the part numbers for NSN 2040-01-460-0990?

NSN 2040-01-460-0990 has 2 cross-referenced part numbers: B-134902 ITEM 28 (Railway Specialties Corp Div Railway Specialties Corporation), B-314902 (Railway Specialties Corp Div Railway Specialties Corporation).

What NSN replaces 2040-01-460-0990?

There are 7 known substitutes for 2040-01-460-0990: 2040-01-452-0072, 2040-01-457-9039, 2040-01-460-0993 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-134902 ITEM 28?

Key specifications for B-134902 ITEM 28: Material: STEEL CORROSION RESISTING PANEL; Operating Location: ABOVE AND BELOW; Scuttle: INCLUDED; Hasp: INCLUDED. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com