PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51869Case,servo Control

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 1280-00-991-4538 · FSC 1280 · No Item Name Available
Verified by PartsTable
NSN 1280-00-991-4538 — this item is cataloged by the U.S. Government under National Stock Number 1280-00-991-4538. Primary manufacturer part number: 51869.
Features
  • Case,servo Control — FSC 1280
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Case,servo Control, cataloged under National Stock Number 1280-00-991-4538, is classified within Federal Supply Class 1280 (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 Div Multiple. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCase,servo Control
FSC / FSG1280 — No Item Name Available (FSG 12)
ManufacturersNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (CAGE 26916); Northrop Grumman Systems Corporation Div Es Defensive Systems Division (CAGE 15280)
Technical Specifications
ParameterValue
NSN1280-00-991-4538
Primary Part Number51869
Item NameCase,servo Control
FSC / FSG1280 / 12 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3010-00-057-982251869 INTERCHANGEABLE
Clutch,positive,nonvehicular
L3harris Technologies, Inc. Div Space and Airborne Systems
3110-00-100-0800259572 INTERCHANGEABLE
Cup,tapered Roller Bearing
Acf Industries Inc
5330-00-178-67150S1875-5 INTERCHANGEABLE
Seal,plain Encased
Gits Mfg Co Inc
5975-00-992-837551869 INTERCHANGEABLE
Base,chassis
L3harris Technologies, Inc Div Space & Airborne Systems
5360-01-625-014251869 INTERCHANGEABLE
Spring,helical,torsion
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
Cross-Reference Index
Part NumberManufacturer
51869 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
51869 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
Related Parts
3010-00-057-9822INTERCHANGEABLE
CLUTCH,POSITIVE,NONVEHICULAR
51869
3110-00-100-0800INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
259572
5330-00-178-6715INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S1875-5
5975-00-992-8375INTERCHANGEABLE
BASE,CHASSIS
51869
5360-01-625-0142INTERCHANGEABLE
SPRING,HELICAL,TORSION
51869

Frequently Asked Questions

What is NSN 1280-00-991-4538?

NSN 1280-00-991-4538 is a Case,servo Control, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 1280 (No Item Name Available). Status: active.

What are the part numbers for NSN 1280-00-991-4538?

NSN 1280-00-991-4538 has 2 cross-referenced part numbers: 51869 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 51869 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division).

What NSN replaces 1280-00-991-4538?

There are 5 known substitutes for 1280-00-991-4538: 3010-00-057-9822, 3110-00-100-0800, 5330-00-178-6715 and 2 more. Verify interchangeability with system specifications before substitution.

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