NSN 5935-01-524-9116 · NIIN 015249116 · Part number 257A535-4
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 5935 — Connectors, Electrical · FSG 59 — Electrical and Electronic Equipment Components · CAGE 03640
Government record, cited
NSN 5935-01-524-9116 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-524-9116. Manufacturer of record part number: 257A535-4.
Included Contact Quantity: 1 ALL MATING ENDS ALL CONTACT GROUPINGS
2 manufacturer part numbers on file
Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
NSN: 5935-01-524-9116
NIIN: 015249116
FSC: 5935 — Connectors, Electrical
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 257A535-4
Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description
The Adapter,connector, cataloged under National Stock Number 5935-01-524-9116, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5935-01-524-9116
Primary Part Number
257A535-4
Item Name
Adapter,connector
FSC / FSG
5935 / 59 — Connectors, Electrical
Manufacturer
Lockheed Martin Corporation Div Rotary and Mission Systems
Status
ACTIVE
Body Style
STRAIGHT SHAPE, INTERNAL COUPLING
Overall Diameter
1.700 INCHES NOMINAL IN
Mating End Quantity
1
Included Contact Quantity
1 ALL MATING ENDS ALL CONTACT GROUPINGS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
No interchangeability data on file.
Other items in FSC 5935 — Connectors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5935-00-000-8180
5935-00-000-8180 · Item name not on file
5935-00-001-1344
5935-00-001-1344 · Item name not on file
5935-00-001-1347
5935-00-001-1347 · Item name not on file
5935-00-001-1350
5935-00-001-1350 · Item name not on file
5935-00-001-1351
5935-00-001-1351 · Item name not on file
5935-00-001-1353
5935-00-001-1353 · Item name not on file
5935-00-001-1627
BACKSHELL,ELECTRICAL CONNECTOR
5935-00-001-1628
5935-00-001-1628 · Item name not on file
Frequently Asked Questions
What is NSN 5935-01-524-9116?
NSN 5935-01-524-9116 is a Adapter,connector, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5935, Connectors, Electrical. Status: active.
What part numbers are listed for NSN 5935-01-524-9116?
NSN 5935-01-524-9116 has 2 manufacturer part numbers on file: 440HS039NF2507-3 (Glenair, Inc.), 257A535-4 (Lockheed Martin Corporation Div Rotary and Mission Systems).
What are the specifications of 257A535-4?
Key specifications for 257A535-4: Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Overall Diameter: 1.700 INCHES NOMINAL IN; Mating End Quantity: 1; Overall Length: 2.000 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5935-01-524-9116 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.