FSG: 59 — Electrical and Electronic Equipment Components
General Description
The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-399-5263, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
5935-01-399-5263
Item Name
Backshell,electrical Connector
FSC / FSG
5935 / 59 — Connectors, Electrical
Status
ACTIVE
Material
STEEL
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5935-01-429-8579POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Possible match (shared part number)
5935-01-438-3880POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Possible match (shared part number)
5935-01-438-9829POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Possible match (shared part number)
5935-01-472-4081POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Possible match (shared part number)
5935-01-475-8223POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
M28840/907WB,6.533 M
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
MIL-C-28840/9
5/9Secondary reference
U.S. Government activity
MIL-DTL-28840/9
4/1Identification reference
U.S. Government activity
M28840/907WB
2/2Government specification standardization
U.S. Government activity
Related Parts
5935-01-429-8579POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-438-3880POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-438-9829POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-472-4081POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
5935-01-475-8223POSSIBLE MATCH
BACKSHELL,ELECTRICAL CONNECTOR
Frequently Asked Questions
What is NSN 5935-01-399-5263?
NSN 5935-01-399-5263 is a Backshell,electrical Connector, classified under FSC 5935, Connectors, Electrical. Status: active.
What NSN replaces 5935-01-399-5263?
5 possible matches (shared part number, not a government interchangeability claim): 5935-01-429-8579, 5935-01-438-3880, 5935-01-438-9829. Verify interchangeability with system specifications before substitution.
What are the specifications of 5935-01-399-5263?
Key specifications for 5935-01-399-5263: Material: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 5935-01-399-5263 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.