NSN 5340-01-661-7397 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-661-7397. Manufacturer of record part number: 287-7296.
Also searched as5340-01-661-7397 ·
5340016617397 ·
NIIN 016617397 ·
01-661-7397 ·
FSC 5340 Hardware, Commercial · CAGE 11083 · 287-7296
Nearby stock numbers← 5340-01-661-7396 Cap, Protective, Dust and Moisture
·
5340-01-661-7467 Catch, Magnetic →
Features
Plug,leakproof Seal — FSC 5340
General Characteristics Item Description: BRASS HEX HEAD PLUG
Color: YELLOW
Functional Description: PLUG FOR JOINT AS-TUBE OF COOLING SYSTEM
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 5340-01-661-7397
NIIN: 016617397
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 287-7296
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Plug,leakproof Seal, cataloged under National Stock Number 5340-01-661-7397, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5340-01-661-7397
Primary Part Number
287-7296
Item Name
Plug,leakproof Seal
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
General Characteristics Item Description
BRASS HEX HEAD PLUG
Color
YELLOW
Functional Description
PLUG FOR JOINT AS-TUBE OF COOLING SYSTEM
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068
COVER,ACCESS
5340-00-000-0132
SEAT,HELICAL COMPRESSION SPRING
5340-00-000-8150
5340-00-000-8150 · Item name not on file
5340-00-001-1251
5340-00-001-1251 · Item name not on file
5340-00-001-1264
STRAP,WEBBING
5340-00-001-1265
STRAP,WEBBING
5340-00-001-1266
STRAP,WEBBING
5340-00-001-1275
HANDLE,DOOR
Frequently Asked Questions
What is NSN 5340-01-661-7397?
NSN 5340-01-661-7397 is a Plug,leakproof Seal, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-661-7397?
NSN 5340-01-661-7397 has 1 manufacturer part number on file: 287-7296 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 287-7296?
Key specifications for 287-7296: General Characteristics Item Description: BRASS HEX HEAD PLUG; Color: YELLOW; Special Features: FOR C32 MARINE ENGINE; Functional Description: PLUG FOR JOINT AS-TUBE OF COOLING SYSTEM. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-661-7397 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.