PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-311Two Line Unit Assem

Kidde Technologies, Inc Div Kidde Aerospace and Defense · NSN 6320-00-931-4855 · FSC 6320 · No Item Name Available
Verified by PartsTable
NSN 6320-00-931-4855 — this item is cataloged by the U.S. Government under National Stock Number 6320-00-931-4855. Primary manufacturer part number: 30-311.
Features
  • Two Line Unit Assem — FSC 6320
  • 1 verified cross-reference
  • Primary manufacturer: Kidde Technologies, Inc Div Kidde Aerospace and Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Two Line Unit Assem, cataloged under National Stock Number 6320-00-931-4855, is classified within Federal Supply Class 6320 (No Item Name Available) of the Alarm, Signal, and Security Detection Systems group. The primary manufacturer of record is Kidde Technologies, Inc Div Kidde Aerospace and Defense. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTwo Line Unit Assem
FSC / FSG6320 — No Item Name Available (FSG 63)
ManufacturersKidde Technologies, Inc Div Kidde Aerospace and Defense (CAGE 61423)
Technical Specifications
ParameterValue
NSN6320-00-931-4855
Primary Part Number30-311
Item NameTwo Line Unit Assem
FSC / FSG6320 / 63 — No Item Name Available
ManufacturerKidde Technologies, Inc Div Kidde Aerospace and Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2530-00-047-445526574 INTERCHANGEABLE
Valve,brake Pneumatic
Blue Bird Body Co
5950-00-070-186180ES26T26CT INTERCHANGEABLE
Transformer,power
Abbott Technologies, Inc
3110-00-156-8137 INTERCHANGEABLE
Bearing,ball,annular
4520-00-240-8311 INTERCHANGEABLE
Heater,space,electric
3110-00-657-2204206K INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5940-00-894-922530-211 INTERCHANGEABLE
Splice,conductor
Ideal Industries, Inc.
1650-00-946-8749 INTERCHANGEABLE
Piston,floating
3110-01-057-957930311 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5930-01-202-245430311 INTERCHANGEABLE
Switch,toggle
L & R Manufacturing Company
3230-01-235-747930311 INTERCHANGEABLE
Bit,router
Black and Decker Us Inc
Cross-Reference Index
Part NumberManufacturer
30-311 PRIMARY Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
Related Parts
2530-00-047-4455INTERCHANGEABLE
VALVE,BRAKE PNEUMATIC
26574
5950-00-070-1861INTERCHANGEABLE
TRANSFORMER,POWER
80ES26T26CT
3110-00-156-8137INTERCHANGEABLE
BEARING,BALL,ANNULAR
4520-00-240-8311INTERCHANGEABLE
HEATER,SPACE,ELECTRIC
3110-00-657-2204INTERCHANGEABLE
BEARING,BALL,ANNULAR
206K
5940-00-894-9225INTERCHANGEABLE
SPLICE,CONDUCTOR
30-211
1650-00-946-8749INTERCHANGEABLE
PISTON,FLOATING
3110-01-057-9579INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30311
5930-01-202-2454INTERCHANGEABLE
SWITCH,TOGGLE
30311
3230-01-235-7479INTERCHANGEABLE
BIT,ROUTER
30311
5930-01-244-7522INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
4730-01-357-1296INTERCHANGEABLE
BUSHING,PIPE
5118-3-4-1 1/4X1

Frequently Asked Questions

What is NSN 6320-00-931-4855?

NSN 6320-00-931-4855 is a Two Line Unit Assem, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 6320 (No Item Name Available). Status: active.

What are the part numbers for NSN 6320-00-931-4855?

NSN 6320-00-931-4855 has 1 cross-referenced part number: 30-311 (Kidde Technologies, Inc Div Kidde Aerospace and Defense).

What NSN replaces 6320-00-931-4855?

There are 12 known substitutes for 6320-00-931-4855: 2530-00-047-4455, 5950-00-070-1861, 3110-00-156-8137 and 9 more. Verify interchangeability with system specifications before substitution.

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