The Delay Line, cataloged under National Stock Number 5999-00-685-8763, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 12 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-00-685-8763 |
| Primary Part Number | 103454 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Signal Delay Method | TRANSMISSION LINE |
| FSC Application Data | TEST SET,RADAR |
| Section Delay Time | 1.000 NANOSECONDS NOMINAL SINGLE SECTION NS |
| Mounting Facility Quantity | 2 |
| Individual Section Quantity | 1 |
| Mounting Facility | THREADED STUD(S) |
| Terminal Type and Quantity | 5 TAB SOLDER LUG |
| Surface Treatment | PAINT CASE |
| Operating Temp Range | -54.0 TO 65.0 CELSIUS DEGC |
| Thread Class | 3A A |
| Material | STEEL CASE |
| Thread Size and Series/type Designator | 0.138-32 UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | X |
| Part Number | Manufacturer |
|---|---|
| 103454 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5999-00-685-8763 is a Delay Line, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-685-8763 has 1 manufacturer part number on file: 103454 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5835-00-835-2280, 6515-01-443-6739. Verify interchangeability with system specifications before substitution.
Key specifications for 103454: Signal Delay Method: TRANSMISSION LINE; FSC Application Data: TEST SET,RADAR; Section Delay Time: 1.000 NANOSECONDS NOMINAL SINGLE SECTION NS; Mounting Facility Quantity: 2. 12 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5999-00-685-8763 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.