The Ring,lantern, cataloged under National Stock Number 4320-00-318-4166, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-318-4166 |
| Primary Part Number | 8329419 |
| Item Name | Ring,lantern |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-634,COMP 1010 TO 1025 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Inside Diameter | 2.500 INCHES NOMINAL IN |
| Height | 0.220 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN |
| Material | STEEL 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 |
|---|---|
| 8329419 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1231B | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-318-4166 is a Ring,lantern, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-318-4166 has 1 manufacturer part number on file: 8329419 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 6625-00-531-5188, 4710-01-521-5799. Verify interchangeability with system specifications before substitution.
Key specifications for 8329419: Material Document and Classification: QQ-S-634,COMP 1010 TO 1025 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Inside Diameter: 2.500 INCHES NOMINAL IN; Height: 0.220 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN; Material: STEEL 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.