PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55403Saddle,spoiler Supp

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 1270-00-674-7997 · FSC 1270 · No Item Name Available
Verified by PartsTable
NSN 1270-00-674-7997 — this item is cataloged by the U.S. Government under National Stock Number 1270-00-674-7997. Primary manufacturer part number: 55403.
Features
  • Saddle,spoiler Supp — FSC 1270
  • 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 Saddle,spoiler Supp, cataloged under National Stock Number 1270-00-674-7997, 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 Div Multiple. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSaddle,spoiler Supp
FSC / FSG1270 — No Item Name Available (FSG 12)
ManufacturersNorthrop Grumman Systems Corporation Div Es Defensive Systems Division (CAGE 15280); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (CAGE 26916)
Technical Specifications
ParameterValue
NSN1270-00-674-7997
Primary Part Number55403
Item NameSaddle,spoiler Supp
FSC / FSG1270 / 12 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5910-00-224-4412 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5950-00-954-2295129-121-0157 INTERCHANGEABLE
Reactor
Kearfott Corporation Div Guidance and Navigation Division
5995-01-499-523555403 INTERCHANGEABLE
Cable Assembly,radio Frequency
Semflex, Inc.
Cross-Reference Index
Part NumberManufacturer
55403 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
55403 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
Related Parts
5910-00-224-4412INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5950-00-954-2295INTERCHANGEABLE
REACTOR
129-121-0157
5995-01-499-5235INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
55403

Frequently Asked Questions

What is NSN 1270-00-674-7997?

NSN 1270-00-674-7997 is a Saddle,spoiler Supp, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 1270 (No Item Name Available). Status: active.

What are the part numbers for NSN 1270-00-674-7997?

NSN 1270-00-674-7997 has 2 cross-referenced part numbers: 55403 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 55403 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).

What NSN replaces 1270-00-674-7997?

There are 3 known substitutes for 1270-00-674-7997: 5910-00-224-4412, 5950-00-954-2295, 5995-01-499-5235. Verify interchangeability with system specifications before substitution.

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