The Reference Standard,physical Prop, cataloged under National Stock Number 6635-01-392-5705, 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 | 6635-01-392-5705 |
| Primary Part Number | DAA7257G349-001 |
| 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 | THREE 3.0 IN. W STEPS WITH 2 HOLES ON EACH STEP; 4, 8 ANS 12 PLY RESPECTIVELY; 2 STAINLESS STEEL PULLOUTS ON 8 PLY CENTER STEP; TOP SKIN IS 4, 8, AND 12 PLIES OF MS-521 WOVEN GLASS/EPOXY WITH 4 PLIES OF MS-238 GRAPHITE MAT BONDED USING 1 PLY OF MS-208 TYPE 1 FILM ADHESIVE TO MS-266 GLASS/PHENOLIC HONEYCOMB CORE; BOTTOM SKIN IS 4 PLIES OF MS-521 WOVEN GLASS/EPOXY BONDED USING 1 PLY OF MS-208 TYPE 1 FILM ADHESIVE TO MS-266 GLASS/PHENOLIC HONEYCOMB CORE; HOLES IN TOP SKIN: 0.75 IN. WIDE (3), AND 0.5 IN. WIDE, 1.0 IN. DP (3);BOTTOM SKIN 4 DEFECTS 0.25 IN. DP 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 |
|---|---|
| DAA7257G349-001 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
NSN 6635-01-392-5705 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 6635-01-392-5705 has 1 manufacturer part number on file: DAA7257G349-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for DAA7257G349-001: General Characteristics Item Description: THREE 3.0 IN. W STEPS WITH 2 HOLES ON EACH STEP; 4, 8 ANS 12 PLY RESPECTIVELY; 2 STAINLESS STEEL PULLOUTS ON 8 PLY CENTER STEP; TOP SKIN IS 4, 8, AND 12 PLIES OF MS-521 WOVEN GLASS/EPOXY WITH 4 PLIES OF MS-238 GRAPHITE MAT BONDED USING 1 PLY OF MS-208 TYPE 1 FILM ADHESIVE TO MS-266 GLASS/PHENOLIC HONEYCOMB CORE; BOTTOM SKIN IS 4 PLIES OF MS-521 WOVEN GLASS/EPOXY BONDED USING 1 PLY OF MS-208 TYPE 1 FILM ADHESIVE TO MS-266 GLASS/PHENOLIC HONEYCOMB CORE; HOLES IN TOP SKIN: 0.75 IN. WIDE (3), AND 0.5 IN. WIDE, 1.0 IN. DP (3);BOTTOM SKIN 4 DEFECTS 0.25 IN. DP IN; Overall Length: 9.000 INCHES NOMINAL IN; Overall Width: 5.000 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.