PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C937-2Cap,filler Opening

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 2935-01-236-8256 · FSC 2935 · No Item Name Available
Verified by PartsTable
NSN 2935-01-236-8256 — this item is cataloged by the U.S. Government under National Stock Number 2935-01-236-8256. Primary manufacturer part number: C937-2.
Features
  • Cap,filler Opening — FSC 2935
  • Outside Diameter: 2.000 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING BODY
  • Style Designator: CROSS BAR TYPE UNTHREADED
  • Surface Treatment: ANODIZE BODY
  • Retaining Device Type: LANYARD
  • System for Which Designed: PRESSURIZED
  • Accommodation Type: HANDLE END GRIPPING
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2935-01-236-8256, is classified within Federal Supply Class 2935 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2935-01-236-8256
Primary Part NumberC937-2
Item NameCap,filler Opening
FSC / FSG2935 / 29 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Outside Diameter2.000 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING BODY
Style DesignatorCROSS BAR TYPE UNTHREADED
Surface TreatmentANODIZE BODY
Retaining Device TypeLANYARD
System for Which DesignedPRESSURIZED
Accommodation TypeHANDLE END GRIPPING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5985-00-026-875052005 INTERCHANGEABLE
Reflector Section,antenna
L3harris Technologies, Inc Div Space & Airborne Systems
5950-00-113-439852005 INTERCHANGEABLE
Reactor
Magnetika Inc Div Magnetika/phillipsburg Location
7310-00-260-7774770-8 INTERCHANGEABLE
Bowl,reflector
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
5962-01-011-1336 INTERCHANGEABLE
Microcircuit,digital
5342-01-163-7939 INTERCHANGEABLE
T-Handle Plug
4730-01-432-388252005 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
Cross-Reference Index
Part NumberManufacturer
52005 Shaw Development, Llc (USA)
C937-2 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
5985-00-026-8750INTERCHANGEABLE
REFLECTOR SECTION,ANTENNA
52005
5950-00-113-4398INTERCHANGEABLE
REACTOR
52005
7310-00-260-7774INTERCHANGEABLE
BOWL,REFLECTOR
770-8
5962-01-011-1336INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5342-01-163-7939INTERCHANGEABLE
T-HANDLE PLUG
4730-01-432-3882INTERCHANGEABLE
EXPANSION JOINT,PIPE
52005

Frequently Asked Questions

What is NSN 2935-01-236-8256?

NSN 2935-01-236-8256 is a Cap,filler Opening, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 2935 (No Item Name Available). Status: active.

What are the part numbers for NSN 2935-01-236-8256?

NSN 2935-01-236-8256 has 2 cross-referenced part numbers: 52005 (Shaw Development, Llc), C937-2 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 2935-01-236-8256?

There are 6 known substitutes for 2935-01-236-8256: 5985-00-026-8750, 5950-00-113-4398, 7310-00-260-7774 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C937-2?

Key specifications for C937-2: Outside Diameter: 2.000 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING BODY; Style Designator: CROSS BAR TYPE UNTHREADED; Overall Height: 1.200 INCHES NOMINAL IN. 8 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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