Specification/standard Data: 81329-MIL-R-83726/31 GOVERNMENT SPECIFICATION
Identification
NSN: 5945-01-251-4448
NIIN: 012514448
FSC: 5945 — Relays and Solenoids
FSG: 59 — Electrical and Electronic Equipment Components
General Description
The Relay,hybrid, cataloged under National Stock Number 5945-01-251-4448, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5945-01-251-4448
Item Name
Relay,hybrid
FSC / FSG
5945 / 59 — Relays and Solenoids
Status
ACTIVE
Specification/standard Data
81329-MIL-R-83726/31 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5945-01-340-6542POSSIBLE MATCH
RELAY,HYBRID
Possible match (shared part number)
5945-01-344-2433POSSIBLE MATCH
RELAY,HYBRID
Possible match (shared part number)
5945-01-344-3320POSSIBLE MATCH
RELAY,HYBRID
Possible match (shared part number)
5945-01-345-3973POSSIBLE MATCH
RELAY,HYBRID
Possible match (shared part number)
5945-01-376-1710POSSIBLE MATCH
RELAY,HYBRID
Possible match (shared part number)
5945-01-434-8908POSSIBLE MATCH
RELAY,HYBRID
Possible match (shared part number)
5945-01-663-4225POSSIBLE MATCH
RELAY,HYBRID
Possible match (shared part number)
5945-01-664-5742POSSIBLE MATCH
RELAY,HYBRID
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
M83726/31-3002P
2/2Government specification standardization
U.S. Government activity
MIL-PRF-83726/31
4/1Identification reference
U.S. Government activity
MIL-R-83726/31
5/9Secondary reference
U.S. Government activity
Related Parts
5945-01-340-6542POSSIBLE MATCH
RELAY,HYBRID
5945-01-344-2433POSSIBLE MATCH
RELAY,HYBRID
5945-01-344-3320POSSIBLE MATCH
RELAY,HYBRID
5945-01-345-3973POSSIBLE MATCH
RELAY,HYBRID
5945-01-376-1710POSSIBLE MATCH
RELAY,HYBRID
5945-01-434-8908POSSIBLE MATCH
RELAY,HYBRID
5945-01-663-4225POSSIBLE MATCH
RELAY,HYBRID
5945-01-664-5742POSSIBLE MATCH
RELAY,HYBRID
Frequently Asked Questions
What is NSN 5945-01-251-4448?
NSN 5945-01-251-4448 is a Relay,hybrid, classified under FSC 5945, Relays and Solenoids. Status: active.
What NSN replaces 5945-01-251-4448?
8 possible matches (shared part number, not a government interchangeability claim): 5945-01-340-6542, 5945-01-344-2433, 5945-01-344-3320. Verify interchangeability with system specifications before substitution.
What are the specifications of 5945-01-251-4448?
Key specifications for 5945-01-251-4448: Specification/standard Data: 81329-MIL-R-83726/31 GOVERNMENT SPECIFICATION; Special Features: TIME DELAY ADJUSTABLE;PLUG-IN;CONTINOUS DUTY;DPDT;10 AMPS;1.718 IN. MAX LG;1.025 IN. MAX W;28 VDC OR 115-200 VAC,400 HZ VDC. 1 specification is documented in the U.S. Government catalog.
Is NSN 5945-01-251-4448 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.