The Plate,valve Stop, cataloged under National Stock Number 4310-01-483-8532, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-483-8532 |
| Primary Part Number | 12531-4 |
| Item Name | Plate,valve Stop |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | B.w. Elliott Manufacturing Co., Llc |
| Status | ACTIVE |
| Overall Diameter | 1.620 INCHES NOMINAL IN |
| Overall Thickness | 0.190 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 12101 ITEM 4 PN B-818-12531-4 | B.w. Elliott Manufacturing Co., Llc (USA) |
| 12531-4 PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| B-818-12531-4 | B.w. Elliott Manufacturing Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| 12531 | D/9 Drawing number reference only B.w. Elliott Manufacturing Co., Llc |
NSN 4310-01-483-8532 is a Plate,valve Stop, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-483-8532 has 3 manufacturer part numbers on file: 12101 ITEM 4 PN B-818-12531-4 (B.w. Elliott Manufacturing Co., Llc), 12531-4 (B.w. Elliott Manufacturing Co., Llc), B-818-12531-4 (B.w. Elliott Manufacturing Co., Llc).
Key specifications for 12531-4: Overall Diameter: 1.620 INCHES NOMINAL IN; Overall Thickness: 0.190 INCHES NOMINAL IN; Special Features: PLATE HAS GUIDE SLOT FOR INDICATOR & OPEN/CLOSED MARKING; Part Name Assigned by Controlling Agency: INDICATOR PLATE. 3 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.