PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581R522H03Optical Assembly,integrated Lase

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 1270-00-349-5640 · FSC 1270 · No Item Name Available
Verified by PartsTable
NSN 1270-00-349-5640 — this item is cataloged by the U.S. Government under National Stock Number 1270-00-349-5640. Primary manufacturer part number: 581R522H03.
Features
  • Optical Assembly,integrated Lase — FSC 1270
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Optical Assembly,integrated Lase, cataloged under National Stock Number 1270-00-349-5640, is classified within Federal Supply Class 1270 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. This item has 3 commercial cross-references from 2 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
NSN1270-00-349-5640
Primary Part Number581R522H03
Item NameOptical Assembly,integrated Lase
FSC / FSG1270 / 12 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6645-01-161-3689710-0001 INTERCHANGEABLE
Meter,time Totalizing
Redington Counters Inc
6645-01-373-8860710-0001 INTERCHANGEABLE
Timer
Redington Counters Inc
6625-01-416-337971000-01 INTERCHANGEABLE
Target Source
Contour Metrological & Manufacturing, Inc Div Cmm Optic
6515-01-527-25657100-001 INTERCHANGEABLE
Zimmer Reamer Coupl
Microaire Surgical Instruments Inc Sub of Marmon Group
Cross-Reference Index
Part NumberManufacturer
710-0001 Corning Oca Corp (USA)
581R522H03 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
581R522H02 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
6645-01-161-3689INTERCHANGEABLE
METER,TIME TOTALIZING
710-0001
6645-01-373-8860INTERCHANGEABLE
TIMER
710-0001
6625-01-416-3379INTERCHANGEABLE
TARGET SOURCE
71000-01
6515-01-527-2565INTERCHANGEABLE
ZIMMER REAMER COUPL
7100-001

Frequently Asked Questions

What is NSN 1270-00-349-5640?

NSN 1270-00-349-5640 is a Optical Assembly,integrated Lase, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 1270 (No Item Name Available). Status: active.

What are the part numbers for NSN 1270-00-349-5640?

NSN 1270-00-349-5640 has 3 cross-referenced part numbers: 710-0001 (Corning Oca Corp), 581R522H03 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 581R522H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 1270-00-349-5640?

There are 4 known substitutes for 1270-00-349-5640: 6645-01-161-3689, 6645-01-373-8860, 6625-01-416-3379 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 581R522H03?

Key specifications for 581R522H03: End Item Identification: POD,TYPE AN/AVQ-23 AND AN/ASQ-153. 1 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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