NSN 5999-00-139-9727 · NIIN 001399727 · Part number AP-299/N
Apx Plastics, Inc. · FSC 5999 — Miscellaneous Electrical and Electronic Components · FSG 59 — Electrical and Electronic Equipment Components · CAGE 53174
Government record, cited
NSN 5999-00-139-9727 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-139-9727. Manufacturer of record part number: AP-299/N.
Also searched as5999-00-139-9727 ·
5999001399727 ·
NIIN 001399727 ·
00-139-9727 ·
FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 53174 · AP-299/N · 10423DAP · 95008-90004-1 · AP-299-D
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: AP-299/N
Manufacturer: Apx Plastics, Inc.
General Description
The Mounting Pad,electrical-Electron, cataloged under National Stock Number 5999-00-139-9727, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Apx Plastics, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5999-00-139-9727
Primary Part Number
AP-299/N
Item Name
Mounting Pad,electrical-Electron
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Manufacturer
Apx Plastics, Inc.
Status
ACTIVE
Overall Diameter
0.580 INCHES NOMINAL IN
Accommodated Device Mounting Hole Quantity
12
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5999 — Miscellaneous Electrical and Electronic Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5999-00-001-1345
5999-00-001-1345 · Item name not on file
5999-00-001-1346
5999-00-001-1346 · Item name not on file
5999-00-001-1348
5999-00-001-1348 · Item name not on file
5999-00-001-1349
5999-00-001-1349 · Item name not on file
5999-00-001-1355
5999-00-001-1355 · Item name not on file
5999-00-001-1623
5999-00-001-1623 · Item name not on file
5999-00-001-2537
5999-00-001-2537 · Item name not on file
5999-00-001-2539
5999-00-001-2539 · Item name not on file
Frequently Asked Questions
What is NSN 5999-00-139-9727?
NSN 5999-00-139-9727 is a Mounting Pad,electrical-Electron, manufactured by Apx Plastics, Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
What part numbers are listed for NSN 5999-00-139-9727?
NSN 5999-00-139-9727 has 2 manufacturer part numbers on file: AP-299/N (Apx Plastics, Inc.), AP-299-D (Apx Plastics, Inc.).
What are the specifications of AP-299/N?
Key specifications for AP-299/N: Overall Height: 0.040 INCHES NOMINAL IN; Overall Diameter: 0.580 INCHES NOMINAL IN; Special Features: 4 0.050 IN DIA BY 0.020 TO 0.085 IN LONG FEET IN; End Item Identification: AUTOMATED SURFACE OBSERVING SYSTEM (ASOS). 2 specifications are documented in the U.S. Government catalog.
Is NSN 5999-00-139-9727 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.