The Reference Standard,physical Prop, cataloged under National Stock Number 6635-01-392-4889, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 1 specification, 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 | 6635-01-392-4889 |
| Primary Part Number | DAA7257G341-001 |
| Item Name | Reference Standard,physical Prop |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| General Characteristics Item Description | 7 STEPS WITH 7 0.500 IN. DIA FLATBOTTOM DRILLED HOLE IN EACH ONE-HALF IN. THICK STEP; 1ST STEP 0.030 IN. HIGH; 2ND STEP 0.060 IN. HIGH; 3RD STEP 0.120 IN. HIGH; 4TH STEP 0.180 IN. HIGH;5TH STEP 0.240 IN. HIGH; 6TH STEP 0.375 IN. HIGH; 7TH STEP 0.500 IN. HIGH; MATL 4 PARTS: 1.5 IN. HONEYCOMB, 1.0 IN. HOLLOW (WITH HOLES), 1.5 IN. FILL/POTTING; 0.125 IN. GLASS EPOXY IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DAA7257G341-001 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
NSN 6635-01-392-4889 is a Reference Standard,physical Prop, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-392-4889 has 1 manufacturer part number on file: DAA7257G341-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for DAA7257G341-001: General Characteristics Item Description: 7 STEPS WITH 7 0.500 IN. DIA FLATBOTTOM DRILLED HOLE IN EACH ONE-HALF IN. THICK STEP; 1ST STEP 0.030 IN. HIGH; 2ND STEP 0.060 IN. HIGH; 3RD STEP 0.120 IN. HIGH; 4TH STEP 0.180 IN. HIGH;5TH STEP 0.240 IN. HIGH; 6TH STEP 0.375 IN. HIGH; 7TH STEP 0.500 IN. HIGH; MATL 4 PARTS: 1.5 IN. HONEYCOMB, 1.0 IN. HOLLOW (WITH HOLES), 1.5 IN. FILL/POTTING; 0.125 IN. GLASS EPOXY IN; Overall Length: 7.000 INCHES NOMINAL IN; Overall Width: 2.000 INCHES NOMINAL IN; End Item Identification: PACER SPECIAL. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.