The Jet,by-Pass,governor, cataloged under National Stock Number 2990-00-368-4950, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is L & L Boiler Maintenance Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-368-4950 |
| Primary Part Number | 7412429 |
| Item Name | Jet,by-Pass,governor |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | L & L Boiler Maintenance Inc |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,0.188 IN. OD,0.170 IN. LG,0.190-32 EXTERNAL THD,0.090 THD LG,0.050 IN. W,0.050 IN. DEEP SLOTTED WRENCHING FEATURE,0.035 IN. DIA JET SIZE 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 |
|---|---|
| 7412429 | L & L Boiler Maintenance Inc (USA) |
| Reference | Meaning |
|---|---|
| 2285809 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 22R53-35 | 3/9 Design control — primary reference Colt Industries Inc Holley Automotive Div |
| 2285809 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 7412429 | 5/9 Secondary reference D & J Parts Inc |
NSN 2990-00-368-4950 is a Jet,by-Pass,governor, manufactured by L & L Boiler Maintenance Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-368-4950 has 1 manufacturer part number on file: 7412429 (L & L Boiler Maintenance Inc).
Key specifications for 7412429: General Characteristics Item Description: BRASS,0.188 IN. OD,0.170 IN. LG,0.190-32 EXTERNAL THD,0.090 THD LG,0.050 IN. W,0.050 IN. DEEP SLOTTED WRENCHING FEATURE,0.035 IN. DIA JET SIZE 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.