The Coupling Assembly, cataloged under National Stock Number 4935-01-200-1758, is classified within Federal Supply Class 4935 (Guided Missile Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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 | 4935-01-200-1758 |
| Primary Part Number | 810AS1227-4 |
| Item Name | Coupling Assembly |
| FSC / FSG | 4935 / 49 — Guided Missile Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL STAINLESS STEEL COMP 303 COND A,IAW MIL-S-7720,PASSIVATE IAW QQ-P-35 TY 1,2,3,4,OR 5 FOR NIPPLE END,FITTING END ALUMINUM ALLOY 2024-T4 IAW QQ-A-225/6,OVERALL LENGTH 1.809 IN. MAX,END FITTING 0.250 NPT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 810AS1227-4 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4935-01-200-1758 is a Coupling Assembly, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4935, Guided Missile Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4935-01-200-1758 has 1 manufacturer part number on file: 810AS1227-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 810AS1227-4: General Characteristics Item Description: MATERIAL STAINLESS STEEL COMP 303 COND A,IAW MIL-S-7720,PASSIVATE IAW QQ-P-35 TY 1,2,3,4,OR 5 FOR NIPPLE END,FITTING END ALUMINUM ALLOY 2024-T4 IAW QQ-A-225/6,OVERALL LENGTH 1.809 IN. MAX,END FITTING 0.250 NPT IN. 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.
NSN 4935-01-200-1758 has DEMIL Code B. 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.