The Test Set,navigation, cataloged under National Stock Number 6625-01-337-7576, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Averstar Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-337-7576 |
| Primary Part Number | PR01K1-0001 |
| Item Name | Test Set,navigation |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Averstar Inc |
| Status | ACTIVE |
| Phase | SINGLE LOCATION NOT OTHERWISE SPECIFIED |
| Operating Test Capability | BATTERY VOLTAGE,RF FIELD INTENSITY,DEPTH OF MODULATION OF INPUT SIGNAL,WAVEFORM ANALYSIS OF MODULATION COMPONENTS |
| AC Voltage Rating | 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Major Components | BATTERY OPERATED PORTABLE RECEIVER,ANTENNAE ASSY,LOCALIZER; ANTENNA ASSY,GLIDE SLOPE; INTERCONNECTING CABLES; GLIDE SLOPE TEST MAST |
| DC Voltage Rating | 115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Electrical Power Source Relationship | ALTERNATE OPERATING |
| Functional Description | INSTRUMENT LANDING SYSTEM TEST SET, PORTABLE RECEIVER MEASURES THE DIFFERENCE IN DEPTH OF MODULATION (DDM) AND RELATIVE RF LEVEL OF AIRFIELDS ILS NAVIGATION SYSTEM FOR VERIFICATION OF OPERATIONAL INTEGRITY |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Test Type for Which Designed | TEST OUTPUT INDICATIONS AND SIGNALS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | VS |
| Part Number | Manufacturer |
|---|---|
| PR01K1-0001 PRIMARY | Averstar Inc (USA) |
| Reference | Meaning |
|---|---|
| PD89MMT627 | 3/1 Design control — primary reference U.S. Government activity |
| PD89MMT627 | D/9 Drawing number reference only U.S. Government activity |
| AN/GRM-121 | 5/1 Secondary reference U.S. Government activity |
NSN 6625-01-337-7576 is a Test Set,navigation, manufactured by Averstar Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-337-7576 has 1 manufacturer part number on file: PR01K1-0001 (Averstar Inc).
Key specifications for PR01K1-0001: Phase: SINGLE LOCATION NOT OTHERWISE SPECIFIED; Operating Test Capability: BATTERY VOLTAGE,RF FIELD INTENSITY,DEPTH OF MODULATION OF INPUT SIGNAL,WAVEFORM ANALYSIS OF MODULATION COMPONENTS; AC Voltage Rating: 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Major Components: BATTERY OPERATED PORTABLE RECEIVER,ANTENNAE ASSY,LOCALIZER; ANTENNA ASSY,GLIDE SLOPE; INTERCONNECTING CABLES; GLIDE SLOPE TEST MAST. 10 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.