The Tube,orifice,support, cataloged under National Stock Number 1620-00-008-3992, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-00-008-3992 |
| Primary Part Number | 14-41630-1 |
| Item Name | Tube,orifice,support |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | LANDING GEAR,RETRACTABLE |
| General Characteristics Item Description | ALUMINUM ALLOY QQ-A-225/9 NO. 7075-T651,16.375 IN. O/A LG,2.239 IN.MIN TO 2.241 IN. MAX O/A DIA,LARGE END BORED 1.875 IN. DIA 1.625 IN. DEEP,SMALL END BORED 1.174 IN. MIN TO 1.180 IN. MAX DIA 14.062 IN. DEEP,SMALLEND 1.490 IN. MIN TO 1.500 IN. MAX OD,1.250-18 NEF 3B THD 1.000 IN. LGSMALL END,5 HOLES EQUALLY SPACED 0.093 IN. MIN TO 0.097 IN. MAX DIA INSMALL END 1.250 IN. FROM END,11 HOLES 0.184 IN. MIN TO 0.192 IN. MAX DIAEQUALLY SPACED IN SMALL DIA,AS NOTED MACHINED SURFACES 32 AND 125MICROINCH FINISH 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 |
|---|---|
| 14-41630-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 14-41630-1 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 14-41630-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 1620-00-008-3992 is a Tube,orifice,support, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-008-3992 has 1 manufacturer part number on file: 14-41630-1 (Northrop Grumman Systems Corporation).
Key specifications for 14-41630-1: FSC Application Data: LANDING GEAR,RETRACTABLE; General Characteristics Item Description: ALUMINUM ALLOY QQ-A-225/9 NO. 7075-T651,16.375 IN. O/A LG,2.239 IN.MIN TO 2.241 IN. MAX O/A DIA,LARGE END BORED 1.875 IN. DIA 1.625 IN. DEEP,SMALL END BORED 1.174 IN. MIN TO 1.180 IN. MAX DIA 14.062 IN. DEEP,SMALLEND 1.490 IN. MIN TO 1.500 IN. MAX OD,1.250-18 NEF 3B THD 1.000 IN. LGSMALL END,5 HOLES EQUALLY SPACED 0.093 IN. MIN TO 0.097 IN. MAX DIA INSMALL END 1.250 IN. FROM END,11 HOLES 0.184 IN. MIN TO 0.192 IN. MAX DIAEQUALLY SPACED IN SMALL DIA,AS NOTED MACHINED SURFACES 32 AND 125MICROINCH FINISH IN. 2 specifications are 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.