The Gag Screw Assembly, cataloged under National Stock Number 4820-01-086-8762, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-086-8762 |
| Item Name | Gag Screw Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 EA TEST CLAMP BODY; 1 EA GAG SCREW; 1 EA GAG SCREW RING; 2 EA SET SCREW; 1 EA PIN; 1 EA WASHER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4443-1531-P | 5/9 Secondary reference U.S. Government activity |
| B-GP-1003 | 5/9 Secondary reference Invar Industries Ltd |
| 250-4692833A 1531-P | 3/9 Design control — primary reference U.S. Government activity |
| B-GP-1003-A | C/1 Advisory reference — outside the item-of-supply concept Invar Industries Ltd |
| 250-4692833 REV | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 1531-P | 5/9 Secondary reference U.S. Government activity |
| 250-4692833 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-086-8762 is a Gag Screw Assembly, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5315-01-512-9283. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-086-8762: General Characteristics Item Description: CONSISTS OF 1 EA TEST CLAMP BODY; 1 EA GAG SCREW; 1 EA GAG SCREW RING; 2 EA SET SCREW; 1 EA PIN; 1 EA WASHER. 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.