FSG: 59 — Electrical and Electronic Equipment Components
General Description
The Circuit Breaker, cataloged under National Stock Number 5925-01-274-0277, is classified within Federal Supply Class 5925 (Circuit Breakers) 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
5925-01-274-0277
Item Name
Circuit Breaker
FSC / FSG
5925 / 59 — Circuit Breakers
Status
ACTIVE
Pole Quantity
2
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5925-01-275-4555POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)
5925-01-295-0612POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)
5925-01-305-6193POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)
5925-01-345-8536POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)
5925-01-357-7024POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)
5925-01-359-9585POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)
5925-01-362-6653POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)
5925-01-429-0392POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MIL-PRF-55629/21
4/1Identification reference
U.S. Government activity
MIL-C-55629/21
5/9Secondary reference
U.S. Government activity
M55629/21LPLP
2/2Government specification standardization
U.S. Government activity
Related Parts
5925-01-275-4555POSSIBLE MATCH
CIRCUIT BREAKER
5925-01-295-0612POSSIBLE MATCH
CIRCUIT BREAKER
5925-01-305-6193POSSIBLE MATCH
CIRCUIT BREAKER
5925-01-345-8536POSSIBLE MATCH
CIRCUIT BREAKER
5925-01-357-7024POSSIBLE MATCH
CIRCUIT BREAKER
5925-01-359-9585POSSIBLE MATCH
CIRCUIT BREAKER
5925-01-362-6653POSSIBLE MATCH
CIRCUIT BREAKER
5925-01-429-0392POSSIBLE MATCH
CIRCUIT BREAKER
Frequently Asked Questions
What is NSN 5925-01-274-0277?
NSN 5925-01-274-0277 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
What NSN replaces 5925-01-274-0277?
8 possible matches (shared part number, not a government interchangeability claim): 5925-01-275-4555, 5925-01-295-0612, 5925-01-305-6193. Verify interchangeability with system specifications before substitution.
What are the specifications of 5925-01-274-0277?
Key specifications for 5925-01-274-0277: Pole Quantity: 2. 1 specification is documented in the U.S. Government catalog.
Is NSN 5925-01-274-0277 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.