The Valve Seat Puller Assembly, cataloged under National Stock Number 4820-01-207-4823, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-207-4823 |
| Item Name | Valve Seat Puller Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | DESCRIPTION OF ASSEMBLY IS AS FOLLOWS WITH ALL MEASUREMENTS IN INCHES:PULLER ROD 11.500 PORM 0.010,9/16X12NC THD FULL LGTH;HEX NUT,SEMI FIN. 9/16X12NC-2;PULLER WSHR ALL DIMENSIONS PORM 0.016,2.375 LG,1.500 WD,0.500 THK,0.625 DIA. HOLE IN CTR;PULLER NUT 9/16X12NC-2,0.484 THK PORM 0.010 |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 1249252PC139 | 5/9 Secondary reference Asset Systems, Inc. Dba Asset Systems Inc |
| 8711A39 | 3/9 Design control — primary reference Cbs Broadcasting Inc. Dba Cbs Div Bechtel Plant Machinery Inc. - Pittsburgh |
NSN 4820-01-207-4823 is a Valve Seat Puller Assembly, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-207-4823: General Characteristics Item Description: DESCRIPTION OF ASSEMBLY IS AS FOLLOWS WITH ALL MEASUREMENTS IN INCHES:PULLER ROD 11.500 PORM 0.010,9/16X12NC THD FULL LGTH;HEX NUT,SEMI FIN. 9/16X12NC-2;PULLER WSHR ALL DIMENSIONS PORM 0.016,2.375 LG,1.500 WD,0.500 THK,0.625 DIA. HOLE IN CTR;PULLER NUT 9/16X12NC-2,0.484 THK PORM 0.010; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 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.
NSN 4820-01-207-4823 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.