The Plunger,relief Valve, cataloged under National Stock Number 2815-00-678-3218, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-678-3218 |
| Primary Part Number | 8725222 |
| Item Name | Plunger,relief Valve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,QQ-S-633,FS1137 TO FS1141,CASEHARDENED ROCKWELL C SCALE 26 MIN,32 MAX,2.810 IN. O/A LG,1.375 IN. HEAD DIA,0.500 IN. DIA OF SHANK,2.120 IN. LG OF SHANK,STEPPED FROM 0.500 IN. TO 0.620 IN. DIA AT HEAD END 0.120 IN. DISTANCE IN |
| 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 |
|---|---|
| 8725222 | Satair A/s (DNK) |
| 8725222 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 8725222 | Renk America Llc Div Renk America (USA) |
| Reference | Meaning |
|---|---|
| 2815006783218 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 8725222 | 5/9 Secondary reference Brighton Cromwell Llc |
NSN 2815-00-678-3218 is a Plunger,relief Valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-678-3218 has 3 manufacturer part numbers on file: 8725222 (Satair A/s), 8725222 (U S Army Tank Automotive Command Amsta-Im-Mm), 8725222 (Renk America Llc Div Renk America).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-046-0086. Verify interchangeability with system specifications before substitution.
Key specifications for 8725222: General Characteristics Item Description: STEEL,QQ-S-633,FS1137 TO FS1141,CASEHARDENED ROCKWELL C SCALE 26 MIN,32 MAX,2.810 IN. O/A LG,1.375 IN. HEAD DIA,0.500 IN. DIA OF SHANK,2.120 IN. LG OF SHANK,STEPPED FROM 0.500 IN. TO 0.620 IN. DIA AT HEAD END 0.120 IN. DISTANCE IN. 1 specification is 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.