PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

127056Window Assembly,turret

Lockheed Martin Corporation · NSN 1270-01-085-5027 · FSC 1270 · No Item Name Available
Verified by PartsTable
NSN 1270-01-085-5027 — this item is cataloged by the U.S. Government under National Stock Number 1270-01-085-5027. Primary manufacturer part number: 127056.
Features
  • Window Assembly,turret — FSC 1270
  • FSC Application Data: ACFT GUNNERY FIRE CONTROL COMPONENT
  • General Characteristics Item Description: CONSISTS OF 1 FRAME P/N127057,1 WINDOW P/N127058,2 WINDOWS P/N124863,AND ASSOCIATED HARDWARE
  • 3 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Window Assembly,turret, cataloged under National Stock Number 1270-01-085-5027, is classified within Federal Supply Class 1270 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Lockheed Martin Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1270-01-085-5027
Primary Part Number127056
Item NameWindow Assembly,turret
FSC / FSG1270 / 12 — No Item Name Available
ManufacturerLockheed Martin Corporation
StatusACTIVE
FSC Application DataACFT GUNNERY FIRE CONTROL COMPONENT
General Characteristics Item DescriptionCONSISTS OF 1 FRAME P/N127057,1 WINDOW P/N127058,2 WINDOWS P/N124863,AND ASSOCIATED HARDWARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3120-00-545-37081229H2062 INTERCHANGEABLE
Bearing,washer,thrust
Meritor Heavy Vehicle Systems, Llc
Cross-Reference Index
Part NumberManufacturer
127056 PRIMARY Lockheed Martin Corporation (USA)
127056 Lockheed Martin Corp Electronics and Missiles Div (USA)
660-5026 Perkin-Elmer Corp the Industrial Products Div (USA)
Related Parts
3120-00-545-3708INTERCHANGEABLE
BEARING,WASHER,THRUST
1229H2062

Frequently Asked Questions

What is NSN 1270-01-085-5027?

NSN 1270-01-085-5027 is a Window Assembly,turret, manufactured by Lockheed Martin Corporation, classified under FSC 1270 (No Item Name Available). Status: active.

What are the part numbers for NSN 1270-01-085-5027?

NSN 1270-01-085-5027 has 3 cross-referenced part numbers: 127056 (Lockheed Martin Corporation), 127056 (Lockheed Martin Corp Electronics and Missiles Div), 660-5026 (Perkin-Elmer Corp the Industrial Products Div).

What NSN replaces 1270-01-085-5027?

There is 1 known substitute for 1270-01-085-5027: 3120-00-545-3708. Verify interchangeability with system specifications before substitution.

What are the specifications of 127056?

Key specifications for 127056: FSC Application Data: ACFT GUNNERY FIRE CONTROL COMPONENT; General Characteristics Item Description: CONSISTS OF 1 FRAME P/N127057,1 WINDOW P/N127058,2 WINDOWS P/N124863,AND ASSOCIATED HARDWARE; End Item Identification: AN/AVQ-26,TARGET DESIGNATOR SET-ELECTRO-OPTICAL,HEAD SECTION. 3 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