The Ring,lantern, cataloged under National Stock Number 4320-01-202-9416, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Bs&b Safety Systems Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-202-9416 |
| Primary Part Number | 70-99-0004-12 PIECE 53 |
| Item Name | Ring,lantern |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Bs&b Safety Systems Llc |
| Status | ACTIVE |
| Outside Diameter | 1.126 INCHES NOMINAL IN |
| Inside Diameter | 0.642 INCHES NOMINAL IN |
| Height | 0.750 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 70-99-0004-12 PIECE 53 | Bs&b Safety Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 70-11-0656-10 | 5/9 Secondary reference Bs&b Safety Systems Llc |
| 70-11-0656-10 | 3/2 Design control — primary reference U.S. Government activity |
| 70-99-0004-12 | D/9 Drawing number reference only Bs&b Safety Systems Llc |
NSN 4320-01-202-9416 is a Ring,lantern, manufactured by Bs&b Safety Systems Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-202-9416 has 1 manufacturer part number on file: 70-99-0004-12 PIECE 53 (Bs&b Safety Systems Llc).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-202-9570, 4820-01-202-9571, 4820-01-202-9637. Verify interchangeability with system specifications before substitution.
Key specifications for 70-99-0004-12 PIECE 53: Outside Diameter: 1.126 INCHES NOMINAL IN; Inside Diameter: 0.642 INCHES NOMINAL IN; Height: 0.750 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL. 4 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.