The Block,piston, cataloged under National Stock Number 2995-01-244-7048, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2995-01-244-7048 |
| Item Name | Block,piston |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL: SULPURIZED HIGH SPEED T00L STEEL CONFORMING TO BENDIX MATERIAL SPEC E5 GRADE 11; 0.182-0.192 DIA DRILL 1.146-1.166 DEEP 7 EQUALLY SPACED HOLES,2.865-2.885 IN. WIDE,1.584-1.604 IN. LENGTH,INSIDE DIA IS 0.973-0.983 IN.,0.88-0.098 DIA DRILL THRU 7 HOLES EQUALLY SPACED,0.099-0.119 DIA DRILL 0.209-0.229 IN DEEP 0.145-0.175 DIA X 119 DEG. CSINK 7 HOLES EQUALLY SPACED,7 SLOTS EQUALLY SPACED,1.625 IN. FROM CENTER OF LEFTSIDE SLOT TO CENTER OF TH RIGHT SIDE SLOT ACROSS CENTER OF BLOCK,BASE DIA IS 2.3710-2.3713 IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 644286 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2995-01-244-7048 is a Block,piston, classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
Key specifications for 2995-01-244-7048: General Characteristics Item Description: MATERIAL: SULPURIZED HIGH SPEED T00L STEEL CONFORMING TO BENDIX MATERIAL SPEC E5 GRADE 11; 0.182-0.192 DIA DRILL 1.146-1.166 DEEP 7 EQUALLY SPACED HOLES,2.865-2.885 IN. WIDE,1.584-1.604 IN. LENGTH,INSIDE DIA IS 0.973-0.983 IN.,0.88-0.098 DIA DRILL THRU 7 HOLES EQUALLY SPACED,0.099-0.119 DIA DRILL 0.209-0.229 IN DEEP 0.145-0.175 DIA X 119 DEG. CSINK 7 HOLES EQUALLY SPACED,7 SLOTS EQUALLY SPACED,1.625 IN. FROM CENTER OF LEFTSIDE SLOT TO CENTER OF TH RIGHT SIDE SLOT ACROSS CENTER OF BLOCK,BASE DIA IS 2.3710-2.3713 IN. 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.
NSN 2995-01-244-7048 has DEMIL Code B. 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.