The Delay Line, cataloged under National Stock Number 5999-00-852-0551, 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 Us Army Aviation and Missile Command. Government technical data includes 26 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.
| Parameter | Value |
|---|---|
| NSN | 5999-00-852-0551 |
| Primary Part Number | 9975657 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Pulse Rise Time Rating | 1.8 MICROSECONDS US |
| Signal Delay Method | LUMPED CONSTANT |
| FSC Application Data | RADAR SET,GUIDED MISSILE |
| Section Delay Time | 25.000 MICROSECONDS NOMINAL SINGLE SECTION US |
| Mounting Facility Quantity | 4 |
| Output Impedance Rating | 2.000 KILOHMS |
| Body Style | RECTANGULAR |
| Body Width | 1.880 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | FOUR POSITION RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 1.375 INCHES NOMINAL IN |
| Individual Section Quantity | 1 |
| Thread Pitch Diameters | +0.1380 TO 0.1390 INCHES IN |
| Stud Length | 0.500 INCHES NOMINAL IN |
| Body Length | 3.000 INCHES NOMINAL IN |
| Input Impedance Rating | 2.000 KILOHMS |
| Mounting Facility | THREADED STUD(S) |
| Terminal Type and Quantity | 3 WIRE HOOK |
| Surface Treatment | ENAMEL OVERALL |
| Attenuation in Decibels | 6.000 |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Thread Class | 2A A |
| Material | STEEL OVERALL |
| Body Depth | 1.630 INCHES NOMINAL IN |
| Thread Size and Series/type Designator | 0.138-32 UNIFIED NATIONAL COARSE (UNC) |
| Voltage Rating | 500.000 VOLTS NOMINAL |
| Longest Horizontal Distance Between Mounting Centers | 1.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9975657 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5999-00-852-0551 is a Delay Line, manufactured by Us Army Aviation and Missile Command, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-852-0551 has 1 manufacturer part number on file: 9975657 (Us Army Aviation and Missile Command).
Key specifications for 9975657: Pulse Rise Time Rating: 1.8 MICROSECONDS US; Signal Delay Method: LUMPED CONSTANT; FSC Application Data: RADAR SET,GUIDED MISSILE; Section Delay Time: 25.000 MICROSECONDS NOMINAL SINGLE SECTION US. 26 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.
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.