PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-1556Boresighting Equipment,weapon

Graflex Inc · NSN 4933-01-686-5912 · FSC 4933 · No Item Name Available
Verified by PartsTable
NSN 4933-01-686-5912 — this item is cataloged by the U.S. Government under National Stock Number 4933-01-686-5912. Primary manufacturer part number: 1-1556.
Features
  • Boresighting Equipment,weapon — FSC 4933
  • 2 verified cross-references
  • Primary manufacturer: Graflex Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Boresighting Equipment,weapon, cataloged under National Stock Number 4933-01-686-5912, is classified within Federal Supply Class 4933 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Graflex Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBoresighting Equipment,weapon
FSC / FSG4933 — No Item Name Available (FSG 49)
ManufacturersGraflex Inc (CAGE 1DBZ2); General Dynamics Land Systems Inc. (CAGE 01417)
Technical Specifications
ParameterValue
NSN4933-01-686-5912
Primary Part Number1-1556
Item NameBoresighting Equipment,weapon
FSC / FSG4933 / 49 — No Item Name Available
ManufacturerGraflex Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-144-208451201442084 INTERCHANGEABLE
Chuck,socket
Timber Edge Machine Inc.
5133-00-232-2866 INTERCHANGEABLE
Drill,twist
5330-00-419-6556 INTERCHANGEABLE
Seal,plain Encased
5815-00-547-7876SM-B-186901GP2 INTERCHANGEABLE
Bar,punch,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-579-101211556 INTERCHANGEABLE
Screw,externally Relieved Body
Eaton Corp Dba Eaton Aerospace Jackson
3441-01-075-5787C3915-5-6 INTERCHANGEABLE
Block,bend Radius
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5950-01-099-5014986199-2B INTERCHANGEABLE
Saturable Reactor
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
1-1556 PRIMARY Graflex Inc (USA)
LS1101454 General Dynamics Land Systems Inc. (USA)
Related Parts
5120-00-144-2084INTERCHANGEABLE
CHUCK,SOCKET
51201442084
5133-00-232-2866INTERCHANGEABLE
DRILL,TWIST
5330-00-419-6556INTERCHANGEABLE
SEAL,PLAIN ENCASED
5815-00-547-7876INTERCHANGEABLE
BAR,PUNCH,TELETYPEWRITER
SM-B-186901GP2
5305-00-579-1012INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
11556
3441-01-075-5787INTERCHANGEABLE
BLOCK,BEND RADIUS
C3915-5-6
5950-01-099-5014INTERCHANGEABLE
SATURABLE REACTOR
986199-2B

Frequently Asked Questions

What is NSN 4933-01-686-5912?

NSN 4933-01-686-5912 is a Boresighting Equipment,weapon, manufactured by Graflex Inc, classified under FSC 4933 (No Item Name Available). Status: active.

What are the part numbers for NSN 4933-01-686-5912?

NSN 4933-01-686-5912 has 2 cross-referenced part numbers: 1-1556 (Graflex Inc), LS1101454 (General Dynamics Land Systems Inc.).

What NSN replaces 4933-01-686-5912?

There are 7 known substitutes for 4933-01-686-5912: 5120-00-144-2084, 5133-00-232-2866, 5330-00-419-6556 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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