The Sleeve Nut,door Strut Assembly, cataloged under National Stock Number 1620-01-112-3284, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is International Precision, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-112-3284 |
| Primary Part Number | 4-80308-1 |
| Item Name | Sleeve Nut,door Strut Assembly |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | International Precision, Inc |
| Status | ACTIVE |
| FSC Application Data | LANDING GEAR,RETRACTABLE |
| General Characteristics Item Description | STEEL MIL-S-6758 4130 OR STEEL MIL-S-5626 4140;HEAT TREATMENT 125,000 +O 145,000 PSI;1.210 IN.LG;1.000 IN.OD;0.750 -16UNF-3B IN DIA THDS 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 |
|---|---|
| 4-80308-1 | International Precision, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4-80308-1 | 5/9 Secondary reference Morrison Co |
| 4-80308-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1620-01-112-3284 is a Sleeve Nut,door Strut Assembly, manufactured by International Precision, Inc, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-112-3284 has 1 manufacturer part number on file: 4-80308-1 (International Precision, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-124-3703. Verify interchangeability with system specifications before substitution.
Key specifications for 4-80308-1: FSC Application Data: LANDING GEAR,RETRACTABLE; General Characteristics Item Description: STEEL MIL-S-6758 4130 OR STEEL MIL-S-5626 4140;HEAT TREATMENT 125,000 +O 145,000 PSI;1.210 IN.LG;1.000 IN.OD;0.750 -16UNF-3B IN DIA THDS IN; End Item Identification: AIRCRAFT B-52. 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.