NSN 5999-01-666-3131 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-666-3131. Manufacturer of record part number: 25-8NF4661-1A.
Also searched as5999-01-666-3131 ·
5999016663131 ·
NIIN 016663131 ·
01-666-3131 ·
FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 7EK50 · 25-8NF4661-1A
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 25-8NF4661-1A
Manufacturer: Textron Aviation Inc
General Description
The Delay Line, cataloged under National Stock Number 5999-01-666-3131, 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 Textron Aviation Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5999-01-666-3131
Primary Part Number
25-8NF4661-1A
Item Name
Delay Line
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Manufacturer
Textron Aviation Inc
Status
ACTIVE
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 5999-01-666-3131?
NSN 5999-01-666-3131 is a Delay Line, manufactured by Textron Aviation Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
What part numbers are listed for NSN 5999-01-666-3131?
NSN 5999-01-666-3131 has 1 manufacturer part number on file: 25-8NF4661-1A (Textron Aviation Inc).
What are the specifications of 25-8NF4661-1A?
Key specifications for 25-8NF4661-1A: Special Features: UNITS PER ASSY 1;HAWKER 800 XP/850XP;; Part Name Assigned by Controlling Agency: DELAY LINE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5999-01-666-3131 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.