The Retainer,disk,valve, cataloged under National Stock Number 4820-01-298-8677, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bae Systems Land & Armaments L.p.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-298-8677 |
| Primary Part Number | 2527835 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| 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 |
|---|---|
| 2527835 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 2527835 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| NOW64-0234-CI | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
NSN 4820-01-298-8677 is a Retainer,disk,valve, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-298-8677 has 2 manufacturer part numbers on file: 2527835 (Bae Systems Land & Armaments L.p.), 2527835 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-330-6593. Verify interchangeability with system specifications before substitution.
Key specifications for 2527835: Special Features: STEEL; 1.125 IN. O/A LG; 2.625 IN. W; 1.688 IN. BOLT CIRCLE; 4 HOLES 0.406 IN. DIA; 1.874 IN. DIA ONE END; 1.875 IN. DIA OTHER END; THD 0.312-18 UNC-3B,0.500 IN. DP IN. 0 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.