PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A8-2Relay Assembly

Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial · NSN 5945-00-321-0856 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-321-0856 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-321-0856. Primary manufacturer part number: A8-2.
Features
  • Relay Assembly — FSC 5945
  • Surface Treatment: CHROMATE ZINC AND ENAMEL MOUNTING
  • Identifying Number: A8-2 DRAWING NO.
  • Mounting Configuration: FOUR 0.164-32 IN. THD MTG STUDS ON 3.000 IN. BY 1.250 IN. MTG CENTERS IN
  • Relay Type: ARMATURE
  • Individual Relay Quantity: 6
  • Controlling Agency: SUNDSTRAND DATA CONTROL INC
  • Mounting Facility: CONTAINER
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay Assembly, cataloged under National Stock Number 5945-00-321-0856, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-321-0856
Primary Part NumberA8-2
Item NameRelay Assembly
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
StatusACTIVE
Surface TreatmentCHROMATE ZINC AND ENAMEL MOUNTING
Identifying NumberA8-2 DRAWING NO.
Mounting ConfigurationFOUR 0.164-32 IN. THD MTG STUDS ON 3.000 IN. BY 1.250 IN. MTG CENTERS IN
Relay TypeARMATURE
Individual Relay Quantity6
Controlling AgencySUNDSTRAND DATA CONTROL INC
Mounting FacilityCONTAINER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5831-00-116-6503 INTERCHANGEABLE
Intercommunication Set
3455-00-516-315117613 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
3120-00-662-8243 INTERCHANGEABLE
Bushing,sleeve
2920-00-900-2875 INTERCHANGEABLE
Spark Plug
3030-01-061-7801 INTERCHANGEABLE
Belt,v
3030-01-061-7802 INTERCHANGEABLE
Belt,v
5996-01-292-1645WJ-A82 INTERCHANGEABLE
Amplifier,radio Frequency
Caes Systems Llc Div Missile Systems Division
6910-01-294-5546A82 INTERCHANGEABLE
Model,anatomical
American 3b Scientific, L.p.
5315-01-304-0881A8-2 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
5120-01-398-7730 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
A8-1 Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial (USA)
A8-2 PRIMARY Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial (USA)
C-5735 Precision Switching Inc (USA)
Related Parts
5831-00-116-6503INTERCHANGEABLE
INTERCOMMUNICATION SET
3455-00-516-3151INTERCHANGEABLE
CUTTER,MILLING,END
17613
3120-00-662-8243INTERCHANGEABLE
BUSHING,SLEEVE
2920-00-900-2875INTERCHANGEABLE
SPARK PLUG
3030-01-061-7801INTERCHANGEABLE
BELT,V
3030-01-061-7802INTERCHANGEABLE
BELT,V
5996-01-292-1645INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
WJ-A82
6910-01-294-5546INTERCHANGEABLE
MODEL,ANATOMICAL
A82
5315-01-304-0881INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A8-2
5120-01-398-7730INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5945-00-321-0856?

NSN 5945-00-321-0856 is a Relay Assembly, manufactured by Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-321-0856?

NSN 5945-00-321-0856 has 3 cross-referenced part numbers: A8-1 (Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial), A8-2 (Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial), C-5735 (Precision Switching Inc).

What NSN replaces 5945-00-321-0856?

There are 10 known substitutes for 5945-00-321-0856: 5831-00-116-6503, 3455-00-516-3151, 3120-00-662-8243 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A8-2?

Key specifications for A8-2: Surface Treatment: CHROMATE ZINC AND ENAMEL MOUNTING; Overall Length: 4.100 INCHES MAXIMUM IN; Identifying Number: A8-2 DRAWING NO.; Mounting Configuration: FOUR 0.164-32 IN. THD MTG STUDS ON 3.000 IN. BY 1.250 IN. MTG CENTERS IN. 10 total characteristics are documented in the Federal Logistics Information System.

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