PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1230-1Tension Unit

Dayton-Granger, Inc. · NSN 5821-00-869-2357 · FSC 5821 · No Item Name Available
Verified by PartsTable
NSN 5821-00-869-2357 — this item is cataloged by the U.S. Government under National Stock Number 5821-00-869-2357. Primary manufacturer part number: 1230-1.
Features
  • Tension Unit — FSC 5821
  • 3 verified cross-references
  • Primary manufacturer: Dayton-Granger, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tension Unit, cataloged under National Stock Number 5821-00-869-2357, is classified within Federal Supply Class 5821 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Dayton-Granger, Inc.. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5821-00-869-2357
Primary Part Number1230-1
Item NameTension Unit
FSC / FSG5821 / 58 — No Item Name Available
ManufacturerDayton-Granger, Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2810-00-037-6474188548 INTERCHANGEABLE
Ring,piston
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5960-00-059-3081123301 INTERCHANGEABLE
Electron Tube
L3harris Technologies, Inc Div Space & Airborne Systems
5985-00-090-0024 INTERCHANGEABLE
Antenna Subassembly
2915-00-095-234612301 INTERCHANGEABLE
Spacer,bracket Assembly
Triumph Engine Control Systems Llc
5133-00-228-1377 INTERCHANGEABLE
Drill,twist
4730-00-289-583812-301 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Bedford Precision Parts Corp
5305-00-404-4751 INTERCHANGEABLE
Screw
6650-00-443-429212-301 INTERCHANGEABLE
Eyeshield,optical Instrument
Warren Industries Inc Dba Warren Industries Inc Div Warren-Knight Instrument Co. and N. Amer. Survey Supply Co.
5340-00-472-29611635 INTERCHANGEABLE
Handle,bow
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5915-00-804-4940 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cross-Reference Index
Part NumberManufacturer
1230-1 Dayton-Granger, Inc. (USA)
12330-1 Dayton-Granger, Inc. (USA)
MX274AR Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
2810-00-037-6474INTERCHANGEABLE
RING,PISTON
188548
5960-00-059-3081INTERCHANGEABLE
ELECTRON TUBE
123301
5985-00-090-0024INTERCHANGEABLE
ANTENNA SUBASSEMBLY
2915-00-095-2346INTERCHANGEABLE
SPACER,BRACKET ASSEMBLY
12301
5133-00-228-1377INTERCHANGEABLE
DRILL,TWIST
4730-00-289-5838INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
12-301
5305-00-404-4751INTERCHANGEABLE
SCREW
6650-00-443-4292INTERCHANGEABLE
EYESHIELD,OPTICAL INSTRUMENT
12-301
5340-00-472-2961INTERCHANGEABLE
HANDLE,BOW
1635
5915-00-804-4940INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5961-00-847-6841INTERCHANGEABLE
TRANSISTOR
5975-00-962-9882INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT

Frequently Asked Questions

What is NSN 5821-00-869-2357?

NSN 5821-00-869-2357 is a Tension Unit, manufactured by Dayton-Granger, Inc., classified under FSC 5821 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5821-00-869-2357?

NSN 5821-00-869-2357 has 3 cross-referenced part numbers: 1230-1 (Dayton-Granger, Inc.), 12330-1 (Dayton-Granger, Inc.), MX274AR (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5821-00-869-2357?

There are 12 known substitutes for 5821-00-869-2357: 2810-00-037-6474, 5960-00-059-3081, 5985-00-090-0024 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1230-1?

Key specifications for 1230-1: End Item Identification: AVIONICS COMMUNICATIONS SYSTEMS. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5821-00-869-2357 still in active supply?

NSN 5821-00-869-2357 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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