The Stop,spool, cataloged under National Stock Number 4820-01-203-7676, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Moog Military Aircraft Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-203-7676 |
| Primary Part Number | A10771-1 |
| Item Name | Stop,spool |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CRES; LARGEST OD FLANGE END 0.300 IN.; OTHER END SMALLEST OD 0.218 IN.; THREADED THRU 0.138-32UNC-2B; 0.165 IN. W 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 |
|---|---|
| A10771-1 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| A10771 | D/9 Drawing number reference only U.S. Government activity |
| A10771-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-203-7676 is a Stop,spool, manufactured by Moog Military Aircraft Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-203-7676 has 1 manufacturer part number on file: A10771-1 (Moog Military Aircraft Llc).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-622-0974. Verify interchangeability with system specifications before substitution.
Key specifications for A10771-1: General Characteristics Item Description: CRES; LARGEST OD FLANGE END 0.300 IN.; OTHER END SMALLEST OD 0.218 IN.; THREADED THRU 0.138-32UNC-2B; 0.165 IN. W 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.
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.