The Modification Kit,marine Hardware, cataloged under National Stock Number 2040-01-706-8291, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Spectronics Corporation. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-706-8291 |
| Primary Part Number | EJ-42574 |
| Item Name | Modification Kit,marine Hardware |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Spectronics Corporation |
| Status | ACTIVE |
| Component Quantity | 168 |
| Document Type | BILL OF MATERIAL |
| End Item Source | 20772 |
| Supply Items and Quantities | EJ-31173 COUPLING, 4730-01-452-1174;EJ-21247 SHAFT 3040-01-282-4179;EJ-21226, SPACER, 5365-01-282-2662;EJ-21227, BUSHING,3120-01-283-3556;45247717, TOOL, OIL SEAL 3950-01-121-6388;4524772, TOOL, OIL SEAL, 3950-01-121-0514;EJ-31172, BUMPER, 5340-01-456-3653;EJ-31172, BUMPER, 5340-01-456-3653;EJ-31146, HOUSING SEAL, 5330-01-452-1492;EJ-31172, BUMPER, 5340-01-456-3653;EJ-31146, HOUSING SEAL, 5330-01-452-1492;EJ-31177, BEARING,SLEEVE, 3120-01-283-1627;EJ-20006, COLLAR,RETAINER, 3040-01-452-6913;4563565, GASKET, LOWER BEARING, 5330-01-190-1985;EJ-10011, SEAL, OIL, 5330-00-641-2000;EJ-21232, CAM, 3040-01-452-7741;EJ-21281, SHAFT, BEARING, 3040-01-451-9840;G80147,RETURN SPRING, 5360-00-916-4025;G80184, SEAL,5330-00-593-3464;G80171, SPRING,5360-01-088-5239;G80172, SPRING, 5360-00-595-6407;G80173, SPRING, 5360-00-595-6426;G80174 SPRING,5360-01-255-0413 |
| Component Document Origin | INDUSTRIAL |
| Nonsupply Items and Quantities | EJ-21233, BRACKET, LIMIT SWITCH;EJ-11043, SWITCH, LIMIT;EJ-10031, SWITCH, LIMIT;EJ-10034, WORM;EJ-10036, BEARING, BALL;EJ-10060, RING, RETAINER;EJ-41159-10, FLOODLIGHT, RH;EJ-41159-20, FLOODLIGHT, LH;EJ-41152CAP, BEARING;EJ-21231, NUT, BEARING;EJ-10030, RING RETAINING;EJ-10003, BEARING;EJ-10005,SEAL, OIL;EJ-10052, BEARING;H80002, ROTATING DISC;G70019, TORQUE SPRING;6-1-3, O-RING;G80061, COVER, GASKET |
| Document Source | 20772 |
| 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 |
|---|---|
| EJ-42574 PRIMARY | Spectronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| EJ-42574/ REV- | D/9 Drawing number reference only Spectronics Corporation |
NSN 2040-01-706-8291 is a Modification Kit,marine Hardware, manufactured by Spectronics Corporation, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-706-8291 has 1 manufacturer part number on file: EJ-42574 (Spectronics Corporation).
Key specifications for EJ-42574: Component Quantity: 168; Document Type: BILL OF MATERIAL; End Item Source: 20772; Supply Items and Quantities: EJ-31173 COUPLING, 4730-01-452-1174;EJ-21247 SHAFT 3040-01-282-4179;EJ-21226, SPACER, 5365-01-282-2662;EJ-21227, BUSHING,3120-01-283-3556;45247717, TOOL, OIL SEAL 3950-01-121-6388;4524772, TOOL, OIL SEAL, 3950-01-121-0514;EJ-31172, BUMPER, 5340-01-456-3653;EJ-31172, BUMPER, 5340-01-456-3653;EJ-31146, HOUSING SEAL, 5330-01-452-1492;EJ-31172, BUMPER, 5340-01-456-3653;EJ-31146, HOUSING SEAL, 5330-01-452-1492;EJ-31177, BEARING,SLEEVE, 3120-01-283-1627;EJ-20006, COLLAR,RETAINER, 3040-01-452-6913;4563565, GASKET, LOWER BEARING, 5330-01-190-1985;EJ-10011, SEAL, OIL, 5330-00-641-2000;EJ-21232, CAM, 3040-01-452-7741;EJ-21281, SHAFT, BEARING, 3040-01-451-9840;G80147,RETURN SPRING, 5360-00-916-4025;G80184, SEAL,5330-00-593-3464;G80171, SPRING,5360-01-088-5239;G80172, SPRING, 5360-00-595-6407;G80173, SPRING, 5360-00-595-6426;G80174 SPRING,5360-01-255-0413. 7 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.
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.