The Scraper Assembly,strut, cataloged under National Stock Number 1620-01-121-3624, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Greene Tweed & Co Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-121-3624 |
| Primary Part Number | GT4177-31B |
| Item Name | Scraper Assembly,strut |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| FSC Application Data | LANDING GEAR,RETRACTABLE |
| General Characteristics Item Description | URETHANE; 3.750 IN. DIAMETER X 0.188 IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GT4177-31B PRIMARY | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| GT4177-31B | 5/9 Secondary reference Palmetto Inc |
NSN 1620-01-121-3624 is a Scraper Assembly,strut, manufactured by Greene Tweed & Co Inc, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-121-3624 has 1 manufacturer part number on file: GT4177-31B (Greene Tweed & Co Inc).
Key specifications for GT4177-31B: FSC Application Data: LANDING GEAR,RETRACTABLE; General Characteristics Item Description: URETHANE; 3.750 IN. DIAMETER X 0.188 IN. IN; End Item Identification: AIRCRAFT H-3. 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.
NSN 1620-01-121-3624 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.