The Bolt and Valve Assy,engine Oil F, cataloged under National Stock Number 2940-00-508-6401, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2940-00-508-6401 |
| Item Name | Bolt and Valve Assy,engine Oil F |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,0.750 IN. HEX HEAD W/ EXTENDED WASHER ON ONE END,OTHER END THD 0.750-16 UNF 2A,R.H.,6.250 IN. DEEP BY 0.562 IN. CONCENTRIC HOLE DIA W/ SPRING LOADED BYPASS VALVE,FOUR 0.312 IN. DIA RADIAL HOLES THRU BOLT,0.750 IN. BOLT DIA,6.938 IN. O/A LG A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B2A6741A | C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company |
| B2A6741A | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
NSN 2940-00-508-6401 is a Bolt and Valve Assy,engine Oil F, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
Key specifications for 2940-00-508-6401: General Characteristics Item Description: STEEL,0.750 IN. HEX HEAD W/ EXTENDED WASHER ON ONE END,OTHER END THD 0.750-16 UNF 2A,R.H.,6.250 IN. DEEP BY 0.562 IN. CONCENTRIC HOLE DIA W/ SPRING LOADED BYPASS VALVE,FOUR 0.312 IN. DIA RADIAL HOLES THRU BOLT,0.750 IN. BOLT DIA,6.938 IN. O/A LG A. 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.